No they don't all have mintmarks.
The letter "D" is the mint mark for the US Mint in Denver, Colorado.
A 1955 US Mint set contained 22 coins. It had 2 coins from each Mint that produced coins for circulation. All US Mint sets from 1947 through 1958 are double sets.
'w'stands Washington the capital of The United States Of America on the US coins. The W stamped on US coins stand for the mint at West Point where it was made. Today, the West Point mint makes all of the commemorative and precious metal US coins.
Philadelphia, Pennsylvania. Philadelphia is the only US mint to not put a letter mintmark on the coins made there. [ The mint at West Point has , at times, struck coins for the Philadelphia mint with no mintmark]
The US Mint produces circulating coins, commemorative coins, and bullion coins for the United States.
The Philadelphia mint (where the coin was made).
No. The US Mint in San Francisco has produced many coins for circulation since it opened in 1854. Prior to 1968 nearly all proof coins were made at the US Mint in Philadelphia, Pennsylvania. Beginning in 1968, all proof coins were produced at the US Mint in San Francisco although this mint continued to produce Lincoln Cents for circulation until 1974 and Jefferson nickels until 1971. In 1984 the US Mint at West Point, New York began minting proof coins as well. The Philadelphia Mint also produced proof $1 coins in 1999.
No, not all gold coins have dates and mint marks. It depends on the specific coin and minting process.
No. The Cent is the only US coin in 1949 to have a letter [also known as a mint mark] near the date. The letter "D" represents the mint at Denver, Colorado; the letter "S" represents the San Francisco, California and the absence of a letter indicate the coin was struck at the US mint in Philadelphia, Pennsylvania.
The capital letter on each US coin tells you at which mint it was made; P is for the Philadelphia mint, S is for the San Francisco mint, and D is for the Denver mint. See the related question below.
The "S" is the mint mark for the US Mint at San Francisco, California. All US Mint facilities place their own letter, which identifies them, on nearly all of the coins they mint. The larger than normal mint marks on the "war nickels" were placed there to indicate the coins were of a different alloy than previous nickels, containing 35% silver instead of nickel.
The Mint Mark on a US coin is the letter that indicates which mint struck the coin. You'll find the mint mark just under the date:Philadelphia (no mint mark)Denver (D)San Francisco (S)Mint mark are present on many coins, not just wheat cents. In fact, since 1980, all US coins except cents made in Philadelphia carry mint marks. "P" designates other coins made in that city, and "W" is used on special collectors' coins made at West Point.