Corelle Corning Ware flower teacups x4

A set of 4 teacups by Corelle Corning Ware from the Spring Meadow collection, featuring bright springtime flowers on either side of each mug. Excellent condition! No chips, cracks or marks. Images are unmarked. Made in New York by Corelle Corning. Curiously, two of the mugs have stamps and the other 2 have embossed logos on the bottom. Estimated to be from the 1970s. Open to offers! Local Toronto delivery available