Keycoins Keycoins for supermarket trolleys are a very functional way of everyday advertising. Coins can be stamped without colour or with enamel, printed or cast, Available platings: nickel (shiny or matt), black nickel, brass, copper, antique copper, gold (shiny or matt). A standard coin is of 1, 2 or 5 EURO size, but other sizes or individual designs are optional. Logo can be placed on both sides of the coin, as well as on the keychain. A symbol of trolley or a coin can be placed on the reverse. Keychains with two coins and bottle openers with a coin are also among our products. Coins sliding into variously shaped cases, as well as “two in one” coins (two sizes of a coin combined into one) are highly recommended.