Peter Christensen's Collection

Glass Catalog

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Anchor Hocking

Identification:  All my Anchor Hocking lids have a raised area on top that encompasses the 6 center holes. Lids by other manufacturers such as Co-Operative Flint may at first glance look similar, but on closer examination there is a recessed area on the bottom that encompasses the 6 center holes.
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No. G-8, Anchor Hocking, bottom rim and no feet, 4⅞"d × ⅞"h
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No. G-22, Anchor Hocking, bottom rim and no feet, 5⅛"d × ⅞"h
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No. G-23, Anchor Hocking, bottom rim and no feet, 5"d × ⅞"h
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No. G-65, Anchor Hocking, bottom rim and no feet, 3⅝"d × ¾"h

Beaumont

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No. G-28, Beaumont, no feet, 3¾"d × ¾"h

Cambridge Catalogs

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Cambridge

Identification:  Although these are not characteristics of all Cambridge flower frogs, all of those in my collection have an outer lip between the dome and base, 3-sided triangular feet, and the patent date embossed on the side.

Also see How Glass Blocks Were Made, which features a Cambridge mould patent and a description of how it was used.

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No. G-47, Cambridge, 3 triangular feet, reads Pat'D APRIL 11 1916, 4¼"d × 2½"h
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No. G-45, Cambridge, 3 triangular feet, reads Pat D APRIL 11 1916 3½, 3⅞"d × 2"h
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No. G-33, Cambridge, 3 triangular feet, reads Pat D APRIL 11 1916 3, 3¼"d × 1⅞"h
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No. G-64, Cambridge, 3 triangular feet, reads Pat'D APRIL 11 1916 4, 4¼"d × 2⅝"h
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No. G-51, Cambridge, 3 triangular feet, reads Pat D APRIL 11 1916 3½, 3⅞"d × 1⅞"h
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No. G-16, Cambridge, 3 triangular feet, reads Pat D APRIL 11 1916 2¼, 2⅝"d × 1½"h
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No. G-68, Cambridge, 3 triangular feet, reads Pat'D APRIL 11 1916 3, 3¼"d × 1⅞"h
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No. G-55, Cambridge, 3 triangular feet, reads Pat'D APRIL 11 1916 4, 4¼"d × 2⅜"h

Co-Operative Flint

Identification:  The bottom of this lid has a recessed area that encompasses the 6 center holes, and a patent date running around the center hole.
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No. G-57, Co-Operative Flint, bottom has recessed center area and no feet, reads PAT'D JUNE 24-1924, 3¾"d × ¾"h

Davidson

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No. G-42, Davidson, bottom rim and 6 round feet, reads MADE IN ENGLAND GT BRIT PAT 382699, 3½"d × 1⅛"h

Fenton

My Fenton Flower Frog Collection

8 Holes

Identification:  Form is raised around center hole.
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No. G-74, Fenton, 3 tiny round feet, 2¼"d × 1½"h
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No. G-32, Fenton, 3 tiny round feet, 2¼"d × 1½"h
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No. G-80, Fenton, 3 tiny round feet, 2¼"d × 1½"h
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No. G-71, Fenton, 3 tiny round feet, 2¼"d × 1½"h

7 Holes with Center Recess

Identification:  Form is raised around center recess designed to hold a candle or figure.
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No. G-61, Fenton, 3 small round feet, 2⅞"d × 1½"h
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No. G-75, Fenton, 3 small round feet, 2⅞"d × 1⅝"h

8 Holes with Lip

Identification:  Note the outer lip between the dome and base. Also, Fenton is the only company I have found that has long, rectangular, curved feet on some of its blocks.
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No. G-43, Fenton, 3 long rectangular curved feet, 3"d × 1⅝"h

Fostoria

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No. G-2, Fostoria, 5 round feet, 3¾"d × 2¼"h
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No. G-31, Fostoria, 5 round feet, 3¾"d × 2¼"h
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No. G-58, Fostoria, 5 round feet, 3¾"d × 2¼"h

Japana

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No. G-20, Japana, bottom rim with 5 water slots, reads (best guess) JAPANA PAT. JAN. 20 1909, 4½"d × 1⅜"h

L.E. Smith

Identification:  All of my L.E. Smith flower frogs are lids to vases, though some have feet so that they could also be used in a bowl.

Group 1 – Vermiculate Patterned

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No. G-7, L.E. Smith, frosted Vermiculate pattern, 3 round feet, 5"d × 1⅜"h
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No. G-39, L.E. Smith, frosted Vermiculate pattern, no feet, 4⅜"d × 1⅛"h
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No. G-40, L.E. Smith, Vermiculate pattern, no feet, 4⅜"d × 1⅛"h
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No. G-34, L.E. Smith, Vermiculate pattern, no feet, 4⅜"d × 1⅛"h
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No. G-15, L.E. Smith, Vermiculate pattern, no feet, 4¼"d × 1"h
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No. G-27, L.E. Smith, Vermiculate pattern, no feet, 4¼"d × 1"h

Group 2 – Same Size and Shape

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No. G-14, L.E. Smith, no feet, 4¼"d × 1¼"h
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No. G-46, L.E. Smith, no feet, 4¼"d × 1⅜"h

Group 3 – Same Size and Shape

Frosted

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No. G-53, L.E. Smith, no feet, 3¼"d × 1¼"h
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No. G-67, L.E. Smith, no feet, 3¼"d × 1¼"h
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No. G-52, L.E. Smith, no feet, 3¼"d × 1¼"h

Group 4

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No. G-6, L.E. Smith, 3 big round feet, 3¼"d × 1⅛"h
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No. G-66, L.E. Smith, 3 big round feet, 3¼"d × 1¼"h
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No. G-69, L.E. Smith, 3 big round feet, 3"d × 1½"h
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No. G-26, L.E. Smith, 3 big round feet, 4"d × 1½"h

Northwood

Identification:  This flower frog was likely made by Northwood based on its similarity of shape with a flower frog that is part of a Northwood flower frog and bowl set. It is also known that Northwood made turtle-shaped flower frogs in this color of glass.
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No. G-59, Northwood, 3 very small round feet, 2⅜"d × 1¼"h

Viking

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No. G-21, Viking, no feet, 6⅜"l × 4⅝"w × 1"h

Westmoreland Catalogs

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Westmoreland

My Westmoreland Flower Frog Collection
Identification:  Although these are not characteristics of all Westmoreland flower frogs, most of those in my collection have a rim at the base of the dome and a lip around the bottom of the base. In addition, a number show an indentation just below the rim at the base of the dome. Other variations are noted below.

The feet vary greatly:  tiny to large round feet, rectangular feet, or no feet at all. And while not all Westmoreland flower frogs have rectangular feet, most if not all flower frogs that have rectangular feet are Westmoreland.

Also see How Glass Blocks Were Made, which features photos of a Westmoreland mould.

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Catalog No. 1850/2" Flower Block

8 Holes

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No. G-49, Westmoreland, 3 rectangular feet, 2½"d × 1½"h
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No. G-3, Westmoreland, 3 rectangular feet, 2⅜"d × 1⅜"h
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No. G-63, Westmoreland, 3 rectangular feet, 2½"d × 1½"h
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No. G-50, Westmoreland, 3 tiny round feet, 2½"d × 1½"h
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No. G-12, Westmoreland, 3 tiny round feet, 2½"d × 1½"h
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No. G-41, Westmoreland, 3 tiny round feet, 2½"d × 1⅝"h
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No. G-54, Westmoreland, 3 rectangular feet, 2½"d × 1½"h

Catalog No. 1850/2½" Flower Block

11 Holes

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No. G-78, Westmoreland, 5 rectangular feet, 2⅞"d × 1½"h
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No. G-48, Westmoreland, 5 rectangular feet, 3"d × 1⅝"h
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No. G-4, Westmoreland, 5 tiny round feet, 2⅞"d × 1⅜"h
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No. G-72, Westmoreland, 5 rectangular feet, 3"d × 1½"h
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No. G-44, Westmoreland, 5 rectangular feet, 3"d × 1⅝"h
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No. G-81, Westmoreland, 5 rectangular feet, 2⅞"d × 1⅝"h

Catalog No. 1850/3" Flower Block

13 Holes

Identification:  Each of these have a lip around the rim at the base of the dome and a lip around the bottom of the base. In addition, the center holes are larger, especially as seen from the bottom.
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No. G-25, Westmoreland, no feet, 3⅜"d × 1⅞"h
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No. G-11, Westmoreland, no feet, 3⅜"d × 1¾"h
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No. G-84, Westmoreland, no feet, 3⅜"d × 1¾"h

Catalog No. 1850/3½" Flower Block

19 Holes

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No. G-60, Westmoreland, 6 rectangular feet, 3⅜"d × 1⅞"h
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No. G-62, Westmoreland, 3 rectangular feet, 3⅜"d × 1¾"h
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No. G-70, Westmoreland, 3 rectangular feet, 3⅜"d × 1¾"h
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No. G-82, Westmoreland, 3 rectangular feet, 3⅜"d × 1⅞"h
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No. G-77, Westmoreland, 6 rectangular feet, 3⅜"d × 1⅞"h
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No. G-13, Westmoreland, 3 rectangular feet, 3⅜"d × 2"h

Catalog No. 1850/4" Flower Block

16 Holes

Identification:  If you click on the second image of G-79 to enlarge it, you'll see that it's dark amethyst, not black. And if you enlarge the first image, you'll see the reflection of the quilt hanging on my wall!
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No. G-79, Westmoreland, 5 rectangular feet, 3⅞"d × 2⅛"h
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No. G-83, Westmoreland, 5 rectangular feet, 3⅞"d × 2⅛"h

Catalog No. 1857/7" Flat Flower Block

43 Holes

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No. G-36, Westmoreland, bottom has recessed center area and no feet, 6⅞"d × 1¼"h

Unidentified

Group 1 – Same Manufacturer

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No. G-5, unidentified, no feet, 3⅛"d × 1½"h
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No. G-37, unidentified, no feet, 3⅛"d × 1½"h

Group 2 – Same Manufacturer

Identification:  Note the angular structure of the feet, not to be confused with the triangular feet found on my Cambridge blocks.
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No. G-9, unidentified, 3 large 5-sided triangular feet, 4½"d × 2"h
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No. G-10, unidentified, 3 large 5-sided triangular feet, 4½"d × 1⅞"h
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No. G-19, unidentified, 3 large 5-sided triangular feet, 4⅝"d × 1⅞"h

Group 3 – Same Manufacturer

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No. G-35, unidentified, 3 round feet, 2⅝"d × 1½"h
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No. G-17, unidentified, 3 round feet, 2⅝"d × 1⅝"h

Group 4 – Other Manufacturers

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No. G-73, unidentified, bottom has recessed center area and 4 big round feet, 4"d × 1¼"h
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No. G-76, unidentified, no feet, 3¾"d × ⅞"h
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No. G-1, unidentified, 3 big round feet, 3⅞"d × 1⅝"h
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No. G-29, unidentified, recessed bottom rim with 3 round feet, 2⅝"d × 1¾"h
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No. G-30, unidentified, no feet, 2⅜"d × 1¼"h
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No. G-56, unidentified, no feet, 3"d × 1½"h
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No. G-38, unidentified, 3 round feet, 3¼"d × 1½"h
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No. G-24, unidentified, 3 small round feet, 2½"d × 1¼"h
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No. G-18, unidentified, 3 round feet, 4½"d × 1¾"h