1975 United States Proof Set

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1975-S Proof Set

1975-S Proof Sets had collectors scratching their heads, asking "Why are the Dollar, Half Dollar, Quarter coins dated 1976?" In preparation for America's 200th Birthday, the U.S. Mints began producing Bicentennial Quarters, Half Dollars, and Dollars in 1975 that were dated 1976. Proof versions of these patriotic designs were included in 1975 Proof Sets, helping to boost sales by over 200,000 units.

Each set contained six coins: One example each of the Lincoln Cent, Jefferson Nickel, Roosevelt Dime, Bicentennial Washington Quarter (Copper-Nickel Clad), Bicentennial Kennedy Half Dollar (Copper-Nickel Clad), and Bicentennial Eisenhower Dollar (Copper-Nickel Clad).

About the sets: 1975-S Proof Coins are found with Brilliant, Cameo, and Deep Cameo surfaces. All three finishes are readily available.

Mintage: 2,845,450 sets

An unknown (but extremely small) number of Proof 1975-S Dimes were struck without a mintmark. Although Proof coins were being struck at the San Francisco Mint at the time, the Philadelphia Mint was responsible for making the Proof dies (and adding the mintmark). Apparently, at least one die was sent from Philadelphia without the mintmark, and a small number of "S"-less Dimes were struck and released before the error was discovered. The 1975 "S"-less Dimes are so rare that they were not even discovered until 1978, when two examples surfaced. They may, in fact, be one of the rarest coins of the 20th century!

Bicentennial Eisenhower Dollars are found with two different reverses: Variety I, with a straight tail on the R of DOLLAR. and the text is thicker, while Variety II has a curved tail on the R of DOLLAR and the text is thinner. All of the Dollars in the 1975-S Proof Sets appear to be Variety II.

Original packaging: The individual coins of the 1975-S Proof Set were sealed in a two-piece, clear plastic case. Raised rings of plastic separated the coins from each other, and a red, felt-covered paper insert was added for visual impact. The clear plastic case containing the coins was inserted into a molded, black plastic frame with the raised silver letters "UNITED STATES PROOF SET", and a hinged flap that could be flipped over for display purposes. A black card cover imprinted with silver letters, "United States Proof Set • 1975" protected both the case and the frame.

Year of Issue 1975
Country United States
Composition Mixed Metal
Condition Proof
Denomination Varies
Currency Type Dollar
Mint Name San Francisco - S
Coin Weight 31.07 Grams - g
Dimensions Various