Set of 4 Vintage CorningWare White Coffee Mugs Microwave Safe Made In USA

Made in the USA, each mug is crafted from durable, microwave-safe stoneware with the iconic flared shape and loop handle. Clean, simple, and versatile—perfect for everyday use or completing a vintage CorningWare collection. Marked: “CORNING USA – M’Wave OK / Microwave Safe” Likely Era: 70’s-80’s Condition: Excellent pre-owned condition with light signs of normal use. No cracks or chips noted.