Color:(Embossed in bowl of front)
U
(Recessed-embossed on back)THE UNIVERSAL CLAY PROD'S CO
SANDUSKY, OHIO
MANUFACTURERS OF
ELECTRICAL PORCELAIN
FOUNDRY REFRACTORIES
SPECIAL CERAMICS
ChocolateThis company is still in business in Sandusy, Ohio
Yellow
Notes:
I call this an ashtray although there are no rests for a cigarette. The size and glazed surface is consistent with it being an ashtray. If used as an ashtray, it would be difficult to read the material on the bottom unless the ashtray was cleaned.