Proof Set Collection - most years 1959 to 2007 Choose your year - individual sets priced below. This listing represents a long-held collection of original U. Mint Proof Sets, stored in a smoke-free home. All sets include authentic Mint packaging, lenses, and COAs as originally issued (when applicable). Each year below is complete (no missing lenses or boxes). Buyers may select one or multiple years. (Contains Bicentennial coin dates for the quarter, half-dollar and dollar coins). All sets include original U. Lenses are clean and undamaged. All coins remain brilliant with strong proof ...