Diamonds;
DUNCAN, GEORGE & SONS No. ...1 GRAPE (OMN)
• AKA: Grape Variant
Duncan, George & Sons (Pittsburgh-PA, Operated: 1874-1891), Introduced: unknown
• NOTE: ID provided by Sid Lethbridge.
NOTE: Sid Lethbridge - One of the larger versions is shown on page 29 of the Mordock and Adams Pattern Glass Mugs as (aka) Grapevine Variant.

• Motifs: (Diamonds), (Fruits/Grains/Nuts/Vegetables), (Grapes)