DIAMOND OVAL (OMN) by Richards & Hartley Glass Company (Pittsburgh/Tarentum-PA, Co. Operated: 1865-91), c1890 Introduced
Sid Lethbridge: the date should be c1890 but likely was well before then.
image 1 of 2

Shape: Salts, open
Contributor: Robert Wilkin

Shape: Catalogue/Ads
Contributor: Debi Raitz