Antique Latin Scripted Pewter Made 20th Century Souvenir 366 Grams Weight 5.25" Height Yamini Antique OLD MARKET @everyone Latin is Official Language of Vatican City Pewter is a tin-based alloy, meaning it is composed of other metals including tin. Pewter is an old alloy found in ancient Egypt and ancient Rome. The ancient form of pewter is different from modern forms of pewter as it used to contain lead. malleable metal alloy consisting of tin (85–99%), antimony (approximately 5–10%), copper (2%), bismuth.