A Primary Color Red Refrigerator Dish (No. 0501) and its Cover (501-C). These Sought after Ovenware pieces were manufactured in the USA by PYREX as part of their PRIMARY COLORS line. Featuring the color RED outside with a white milk glass presentation on the inside and underside. The Dish has the Old Trade Mark on the underside. The Cover is Clear Glass. Holds 1 1/2 cups. Measures about 2 3/4 inches tall by 3 1/2 inches by 4 inches glass lid off. No cracks or chips.
Older Mark PYREX PRIMARY RED 1-1/2 Cup Refrigerator Dish No. 0501 & Cover 501-C