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Proof Mint Sets
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7 posts in this topic

There is no such critter as a "proof mint set."

There are proof sets - brilliant mirror fields with frosted relief (modern sets).

There are mint sets - normal production circulation coins packaged with one coin of each denomination from each mint.

Also, the US Mint has sold several variations on these such as proof sets in circulation alloy, or in silver alloy.

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   Proof sets and "mint" (officially uncirculated coin) sets are different sets containing different coins.  Proof coins contain specially struck coins that have mirror surfaces and sometimes frosted devices and are specially handled, while "mint" sets generally contain examples of circulation quality coins. (From 1965 to 1967, the mint issued "Special Mint Sets" with somewhat prooflike coins as a substitute for both proof and "mint" sets.) However, even most "mint" sets are worth at least some premium over face value, and they occasionally contain coins that were not made for circulation.

   Current retail prices for these sets in their original government packaging are listed in such publications as Coin World (coinworld.com) and the CPG Coin & Currency Market Review (greysheet.com), which may require subscriptions. (I found a free summary of proof and "mint" set prices at https://www.greysheet.com/coin-prices/series-landing/united-states-proof-sets.) They are also listed in A Guide Book of United States Coins, commonly known as the "Redbook" (whitman.com), whose 2025 edition should be out by next month, though the prices will already be from several months earlier. (The 2024 or other recent edition would give you an idea of their values.) You could also post a listing of the types and dates of the sets you have, and we should be able to give you estimated values.

   The actual values of specific sets may depend on the state of preservation and particular characteristics of the coins they contain. For example, some proof coins dated before 1971 or so with "cameo" or "deep cameo" contrast as determined by an expert may be worth a substantial premium, and some proof sets may contain rare varieties. Those that have suffered environmental damage would be worth less than list values. You may want to take at least some of these sets to an appraiser after getting a basic evaluation from a referenced source.

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