This Vintage Pyrex 1400 Smoked Amber Glass Mug Coffee Cup, manufactured in 1973 by Corning Pyrex in the United States, is a collectible piece of American mid-century modern decor. The mug features a stylish smoked amber glass design, making it both practical for everyday use and a unique decorative item for any occasion. With its retro design and production technique of fused glass, this vintage original Pyrex mug is a must-have for lovers of classic American glassware.