This collapsible silver metal cup is quite old as it has "Made in USA PAT'D FEB.23.97 on the bottom, probably early 1900. The lid is ornate with scrolls and scallops and has a beautiful patina. This appears to be nickel plate over brass. The cup collapses accordion style, will fit in a pocket when closed, these are great for camping and outdoor recreation. This is a very nice vintage folding pocket cup and measures 2.5 inches in diameter, when it is unfolded it measures 3 inches tall. It is in good condition as seen in photos