＊Brand...CORNING ＊Manufacturing Year...1940s-1950s ＊Country of Origin...USA ＊Material...GLASS ＊Actual Size...Width 9.2cm / Height 8.8cm (Slight variations may occur due to different measurement methods.) ＊Weight...Approx. 440g ＊Condition...Used ＊Description... This is a mug that was used on US Navy ships. The color is cream. The bottom is marked with CORNING T.M. REG MADE IN USA and features the glassblower's mark. It's made of thick, heavy milk glass to keep drinks warm on ships. This is a simple mug without a handle, used during World War II. It's also known as a watchman's mug, as it was used to warm hands while on watch. There are light stains on the sides, inside, and bottom, and scratches on the bottom. It's a vintage cup, so there is some wear and tear, but it doesn't affect its usability. Please feel free to contact us if you have any questions.