Coin Colorization

The United States Mint is seeking sources for a coin colorization program. The contractor will be responsible for establishing printing and other standards for colorization/enhancement of numismatic coins and medals. The contractor will work with samples provided by the United States Mint and provide typical or expected colorized coins for review and approval. The contractor shall be capable of printing on various coin sizes and metals, including 99.9% silver composition, 90% silver and 10% copper, 0.999 fine gold coins, cupronickel surfaces, and 90% Copper and 10% Zinc. The contractor shall also be capable of printing on curved, concave/convex coins and square-shaped coins. • The contractor shall generate standards for artwork, pre-press plates, cliché plates, and register of image printed on the coin. • The contractor shall define all defects in a story-board presentation that contribute to spoilage/rejected coin. • The contractor shall employ pad printing to print colors/image on the coin in accordance with industry best practices for colorizing/printing on numismatic coins. • The printing inks shall be four color process CYMK colors and shall be completely dried after printing. • The contractor shall provide Safety Data sheets (formerly MSDS sheets) for the printing inks.