The marks "S" and "M" on the reverse side of silverware typically indicate the type of metal used. "S" often stands for "silver-plated," meaning the item has a thin layer of silver over a base metal, while "M" can denote "metal" or sometimes "stainless steel." These markings help identify the quality and composition of the silverware, guiding collectors and users in understanding their value and care requirements.
Al The "A1" mark is sometimes found on the reverse side of silver plated flatware and refers to the quality of the silver plate, i.e. "A1" is the best quality for that manufacturer. Lower qualities are usually referred to as "1" or "A", "B" etc..
Of what coin.
If you have a Liberty Seated Dime, the "CC" mint mark will be on the reverse [tails] side of the coin at the bottom and can be either inside the wreath or just below it. If you have a Liberty Seated Quarter the "CC" mint mark will be on the reverse [tails] side of the coin at the bottom below the eagle. If you have a Liberty Seated Half Dollar the "CC" mint mark will be on the reverse [tails] side of the coin at the bottom below the eagle. If you have a Lbert Seated Silver Dollar the "CC" mint mark will be on the reverse [tails] side of the coin at the bottom below the eagle. If you have a Silver Trade Dollar the "CC" mint mark will be on the reverse [tails] side of the coin a the bottom just above the "D" in "DOLLAR" If you have a Morgan Silver Dollar the "CC" mint mark will be on the reverse [tails] side of the coin at the bottom below the wreath.
For Morgan silver dollars, the mark is on the reverse (tails) side, just above the letters "do" in "dollar." Then on Peace dollars, the mark is also on the reverse, below the word "one."
On the reverse side near the eagle's tail. Philadelphia issues do not have a mint mark, only Denver.
The mint mark on Franklin half dollars is on the reverse side, just above the Liberty Bell.
The mint mark on a Barber Half Dollar is located on the reverse side right under the tail of the eagle.
The mint mark is located on the reverse [tails] side of the coin at the bottom below the wreath. If there is no mint mark then the coin was minted at the Philadelphia Mint.
The mint mark on Washington quarters dated 1932-1964 is on the reverse (tails) side below the eagle.
If the coin has a mintmark it will be on the reverse just below the right side of the eagles tail.
The mint mark on a $10 gold coin is located on the reverse below the eagle until 1907 when the design changed. The 1907 Indian Head type did not have a mint mark nor the motto "In God We Trust". In 1908 the Denver "D" mint mark was on the reverse side of the coin just above the tip of the branch on the left side of the design. The design was changed during production in 1908 and the motto "In God We Trust" was added and the mint mark moved to just left of the arrow points on the reverse side of the coin.
You can identify the mint location of a quarter by looking at the coin's reverse side. Quarters minted in Philadelphia will typically have no mint mark, while those minted in Denver will have a "D" mint mark. The mint mark is located just to the right of the eagle's tail on the reverse side of the coin. Additionally, quarters produced at the San Francisco Mint will have an "S" mint mark.