The Paymaster is made from a vintage Paymaster S-600 Check writing machine coupled with a vintage brass bicycle horn. Paymaster Corporation started manufacturing Paymaster check writer also referred to as a check protector, check printer, check machine, and check signer. The Paymaster check imprinter machine was commonly used for payroll to imprint the amount to protect against check fraud and check alteration. The S-600 was made in the mid to late 1960s. So protect yourself with The Paymaster iHorn.