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I'm assuming you're familiar with the different metals used to make coins. When the Mint eliminated silver from circulating dimes, quarters, and halves back in 1965, proof coins were also switched to the same cupro-nickel "sandwich" composition. Unfortunately cupro-nickel is a harder alloy than the old 90% silver alloy so the new proof coins never struck up quite as sharp as their older counterparts.
In response to collectors' demands (and to make more profit) in 1992 the Mint re-introduced proof sets that had the dime, quarter, and half struck in 90% silver. You can now buy either type of proof set each year, although the silver ones obviously cost a lot more than the cupro-nickel ones.
What else can I help you with?
What is the difference between a proof silver dollar and a silver dollar?
All proof silver dollars are silver dollars, but not all silver dollars are proofs. That's because proof coins are specially struck for collectors, while (at least up till 1935 in the US) regular silver dollars were struck for use in ordinary commerce. Please see the Related Question for more details.
Should you buy a silver proof set or a proof set?
It depends on your preference. A silver proof set contains coins made of 90% silver, while a regular proof set does not. Silver proof sets tend to have a higher intrinsic value due to the silver content, but they may also come at a higher cost compared to regular proof sets.
What US dimes are silver?
Dimes minted in 1964 and earlier are silver. Dimes dated 1965 and later are made of copper and nickel. Some proof dimes are still made of silver. These are only available in "Prestige" proof sets; dimes, quarters, and halves in regular proof sets are made of copper-nickel like circulating versions. For example, in 1994 785,329 were struck on 90% silver planchets and 2,484,594 were struck using the same copper-nickel as the business strikes. In 1999 the US Mint began the "Silver Proof Set" series. These sets are similar to the "Prestige" proof sets, the difference being there are no commemorative coins in the "Silver Proof Set". Some of these sets are highly sought after by collectors and investors and command impressive values.
What is the difference between proof and postulate?
A proof uses postulates and theorems to prove some statement.
What is the difference between the 1921 Chapman and a normal Morgan silver dollar?
The 1921 Chapman was a proof version of the Morgan Dollar. Very few were minted and because of this, they command a premium price.
What is a 1999 US Mint Proof Set worth?
If your proof set has 9 coins it is worth $15. If it has 5 state quarters it is worth $9. If it is a regular silver proof set it is worth $144.
What is the value of 1992 silver mint proof set?
4 types of United States Mint Proof Sets were made in 1992. The clad 1992-S Proof set has a current retail value of $8. The Prestige set that has the Olympic half & dollar in it is $40.00. The regular silver set is $29.00. The silver Premier set is $31.
What is the difference between proof load and safety load of fasteners?
land
What is the difference between a wet whistle and a dry whistle?
About 40 proof
What proof is UV vodka?
80 proof (40 % alc./vol.) for the regular UV, and between 60-70 proof for the flavors
What is the difference between a flow proof and a two column proof?
flow proof is just run of text 2 colmn has line/column breaks
What is the difference between the 1972 sterling silver and cup-nick crowns - they are so similar?
The British 1972 Silver Wedding Commemorative Crown (25 Pence) coin was issued as a packaged mint uncirculated coin and as a packaged Proof FDC coin. They were also issued as a packaged Proof in sterling silver FDC coin. The coins are identical except for the metal they are made from. The sterling silver coin will have a reference to the fineness of the silver (0.925) on the packaging and possibly a certificate of authenticity enclosed in the packaging.
