＊Brand...CORNING ＊Manufacturing Year...1940s-50s ＊Country of Origin...USA ＊Material...GLASS ＊Actual Size...Width 9.5cm / Height 8.9cm There may be slight variations depending on the measurement method. ＊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 has the mark of a glassblower. It is made of thick, heavy milk glass to keep drinks from cooling down on board ships. This is a simple mug without a handle, used during World War II. It is also known as a watchman's mug, as it was used to warm hands during watch duty. There are light stains on the sides and bottom, and scratches on the bottom. This is a vintage cup, so there is some wear and tear, but it does not affect its use. Please feel free to contact us if you have any questions.