DIAMOND (OMN) gil caster by Gillinder & Sons Incorporated (Philadelphia/Greensburg-PA, Operated: 1863-Today), c1870s Introduced
NOTE: Sid Lethbridge 2022: [drawning] cut is c1884, labelled in Contributor Line. They appear in the c1876 and c1870 catalogues as well. The cut attached here is from the c1870 catalogue. I am thinking these caster bottles are a standalone as they predate the Diamond tableware line.
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Shape: Catalogue/Ads
Contributor: Sid Lethbridge 1884 catalog drawing

Shape: Catalogue/Ads
Contributor: Sid Lethbridge

Shape: Catalogue/Ads
Contributor: Sid Lethbridge 1870 catalog image

Shape: Casters/Condiment Sets/Trays
Contributor: Andy Vaughn 6H

Shape: Casters/Condiment Sets/Trays
Contributor: Andy Vaughn 6H base