MT. WASHINGTON GLASS WORKS No. 67 GROOVE AND DIAMOND (OMN) by Mt. Washington Glass Works/Boston, New Bedford-MA (Co. Operated: 1837-1894), c1873 Introduced

• AKA: Groove and Diamond; Prism and Diamond Points; Prism with Diamond Points
NOTE: ID provided by Sid Lethbridge: Listed in Metz 1 p. 50 but not illustrated….shown in the c1873 Mt. Washington catalogue.
NOTE: "Also see PRISM AND DIAMOND POINTS/STAR FOOT VARIANT (AKA) by Unknown Maker which is a very, very similar pattern" Another very similar pattern is D. AND P. (OMN) by Bryce Walker.

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Glass Display
Shape: Celery Vases
Contributor: Jim Masterson
Glass Display View
Shape: Stemware
Contributor: Calvin Wilberger, Rusty Armbruster 8/30/2026
Glass Display View
Shape: Creamers
Contributor: Doc Richard 6/24/2026 (There is concern among some that this is not an original color for this piece)
Glass Display View
Shape: Footed Bowls/Low Comports
Contributor: Janna Smith Evermeyer 7.75D x 5H
Glass Display View
Shape: Catalogue/Ads
Contributor: Sid Lethbridge 6/28/2026
Glass Display View
Shape: Creamers
Contributor: Andy Vaughn
Glass Display View
Shape: Decanters
Contributor: Joe Linger - NOS
Glass Display View
Shape: Spooners/Spills
Contributor: Winfred Huff
Glass Display View
Shape: Assortments
Contributor: Brad Gougeon
Glass Display View
Shape: Sugars
Contributor: Robin Fisher Cisne
Glass Display View
Shape: Celery Vases
Contributor: Elaine Huddleston Henderson
Glass Display View
Shape: Sugars
Contributor: Brad Gougeon
Glass Display View
Shape: Sugars
Contributor: Andy Baker sugar missing its lid 6H x 4D
Glass Display View
Shape: Assortments
Contributor: Brad Gougeon
Glass Display View
Shape: Spooners/Spills
Contributor: Brad Gougeon
Glass Display View
Shape: Bowls & Berry Sets
Contributor: Brad Gougeon sauce dishes
Glass Display View
Shape: Comport/Compotes
Contributor: Janna Smith Evermeyer 7.75D x 5H
Glass Display View
Shape: Comport/Compotes
Contributor: Janna Smith Evermeyer 7.75D x 5H
Glass Display View
Shape: Spooners/Spills
Contributor: Julian Rogers
Glass Display View
Shape: Salts, open
Contributor: John Ragsdale - Master Salt 3H x 2.5D