The "M" would be the monogram of H. A. MacNeil, who designed the famous Standing Liberty quarter.
Unfortunately many of these coins had a design flaw that caused their dates to wear off. IF a date is visible, please look for the question "What is the value of a <date> US quarter?" for more information. If the date is worn, your coin is worth a few dollars for its silver content but nothing more. It might be more interesting to simply keep it as a conversation piece.
A US quarter has a face value of 25 cents.
the "M" on the front of a Standing Liberty quarter is the monogram of the coin's designer rather than a mint mark. Please see the Related Question for more information.
August 1, 2009 The US Mint has not issued a quarter with an "M" stamped on it. Probably what you have is a quarter that someone has put their initial on or marked it for some reason. With such a mark it has no numismatic value but is worth $2.52 for the silver it contains.
The "M" is not a mint mark, it's the monogram of the designer H. A. MacNeil. Please see the Related Question for more information.
The "M" is not a mint mark, it's the monogram of the designer H. A. MacNiel. Please see the Related Question for more information.
The first US quarter was struck in 1796.
The letter "M" is not a mintmark. It is the designers monogram. Post a new question and structure it like this to get the best answer- "What is the value of a <date> <country> <denomination> or "What is a <date> <country> <denomination>?".
No US quarters were struck in 1922. The US did not make ANY quarters dated 1922.
Sorry, but M is not a mintmark. See the related question below.
Unless it's Proof, it's just a quarter.
No US quarters were made in 1810.
No US quarters were minted in 1817.