This vintage Pyrex Butterfly Gold coffee mug cup is a charming addition to any collection. Made of milk glass with a butterfly gold pattern, this round coffee mug features a D handle and a capacity of 8 oz. The unique design and production technique of fused glass give it a vintage appeal, perfect for all occasions. Made in the United States during the 1970s, this microwave and dishwasher safe mug showcases the iconic butterfly theme in a classic white and gold color scheme.