This item is a 1972 United States Proof Set, which is a collection of proof coins produced by the U.S. Mint.

Coins Included: The set contains five coins minted in San Francisco: a Lincoln cent, Jefferson nickel, Roosevelt dime, Washington quarter, and a Kennedy half dollar.

Proof Quality: The coins feature sharp relief and mirror-like backgrounds, indicating they were struck specifically for collectors.

Packaging: The coins are sealed in a plastic holder and housed in their original blue government packaging envelope.

Mint Mark: All coins in this set bear the "S" mint mark for the San Francisco Mint