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Friday, June 17, 2011

Altered 1916 D Mercury Dimes

How To Detect Altered & Counterfeit 1916 D Mercury Dimes

The 1916 d Mercury Dime has a low mintage of approx. 296,000. This is the key date to the Mercury dime set.
It was a business strike and all coins were put into circulation.The coin carries a very high premium in all grades.

4 dies used to strike all 1916 d coins.

The reverse of the dime is the focal point  for finding a genuine coin.

Altered coins have been made in the following ways

1916 S dime grind ed down and reformed to a D mint.
 Detection - com pair to genuine dime. sizing, shape , and angle of 'D' will be noticeable different.

A "D" mint mark may be glued on a 1916 Dime-
Detection examine the "D"  mint mark, look for seams and any discoloring.
Soap in acetone to loosen glue.

Drilling a hole from the obverse behind the mint mark close to the front. The thin metal is then punched to resemble a "D" Mint mark.
 Detection compare the "D" marks to the genuine coin.

1916  P obverse & a "D" Mint Reverse  are planned down and the two sides are matched and glue together-
Detection the reed on the coin will not match up and the seam will be evident. Soap coin in Acetone.

The following coins are used to alter the # "1" into a 6-1917 D- 1918 D-1919 D-
Detection- follow the pic's below, which are the 4 different die used to make all the minted coins.
Notice the size of the "D", the Angle, and the position.

The Pic on the right-"D" High & Tilts right   Pic on left-"D"-High more vertical  First left pic-Medium high "D" Below right pic the "D" is low

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