DITHRIDGE & CO. No. 207 (OMN) by Dithridge & Company (1862-1901 merged Pittsburgh Lamp, Brass & Glass Co. 1902), Unknown Date of Introduction
• AKA: Keyhole Variant
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Shape: Plates/Platter
Contributor: James McDonald, Andy Vaughn

Shape: Plates/Platter
Contributor: Sarah Kosmach Hall

Shape: Plates/Platter
Contributor: Andy Vaughn

Shape: Catalogue/Ads
Contributor: Sid Lethbridge