Vintage Corelle Butterfly Gold Coffee Tea Cups by Corning set of 2

Vintage Corelle Butterfly Gold Tea Cup Coffee Mug Hook Handle Set of 2 Corning Vintage White with gold butterflies and flower pattern at rim, made in the 1970s, Corelle by Corning. Normal wear for vintage but no cracks, stains or major damage See photos for details as part of the description Corelle dishes are made of Vitrelle, a tempered glass product consisting of two types of glass laminated into three layers. It was introduced by Corning Glass Works in 1970, but now manufactured and sold by Corelle Brands