1. A Universal Match Corp. trademark for matchcovers that have a thin sheet of aluminum on which copy or a design was printed. The aluminum was bonded to the outside of a matchcover. Introduced in 1940, their shiny appearance popularized this matchcover until the supply of aluminum dried up due to government defense work in mid-1941. 2. After WWII, the term has meant any matchcover with a colored metallic appearance. Many companies, usually in sets, issued this type of matchcover. Standard colors included gold, silver, red, green, and copper, and were usually printed in black ink.