Physical Description1-1/2 Pint Pyrex Refrigerator Dish in "Primary Color" Pattern with Cover. Translucent white non-lead opalware glass; colorless borosilicate; red enamel; pressed, tempered, enameled; (a) rectangular shaped dish; machine finished rim; sides taper in to bottom; bottom rounds in to base; dish exterior red, interior and base white; rectangular shaped ring foot, Pyrex ® trademark molded into center (b) rectangular cover, flat top and ribbed underside, edges of lid raised; sides of lid taper out and down to flat pressed out rim; molded in low relief on top surface of cover “502-C” and “40”. Provenance
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