UNITED STATES GLASS CO. No. .3863 (OMN) toy mug
• AKA:
• United States Glass Company (Pittsburgh-PA, Company Operated: 1891-1962) , Introduced: c1904 Introduced
• NOTE: Sid Lethbridge 2020: catalog dates at 1907 but this piece was likely introduced earlier, c.1904
• Motifs: (Plain)