1968-1970 US Proof Sets (3 Piece) – Hard Case, Blue Overbox, 40% Silver Half Dollars
This collection features a trio of United States Proof Sets from the inaugural years these sets were packaged in hard cases with blue overboxes: 1968, 1969, and 1970. Each set includes coins in excellent condition housed within their original, pristine hard cases and accompanying boxes. Notably, the half dollars within these sets are struck from 40% silver.