The mint mark location for all Peace dollars, regardless of year, is between the eagle's tail feathers and the word ONE.
blank = Philadelphia (most Phila coins did not have mint marks until 1980)
D = Denver
S = San Francisco
$5 to $100,000 depending upon the mint mark, which variety, and the condition of the coin.
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."
1928 makes it a Peace dollar. The mint mark is located on the reverse (tails) side, below the word "one." D for Denver, S is San Francisco, and no mark is Philadelphia.
The 1883 silver dollar with no mint mark is a Morgan dollar, typically valued between $20 to $40 depending on its condition. The 1924 Peace dollar with the "TRVST" misspelling can be quite valuable, as this error is sought after by collectors; it may range from $300 to over $1,000, depending on its condition and market demand. Always consult a reputable coin dealer for the most accurate appraisal.
There is no mint mark on the 1921 Peace dollar because they were all minted in Philadelphia and thus carry no mint mark.
$5 to $100,000 depending upon the mint mark, which variety, and the condition of the coin.
If the 1928 Peace dollar has no mint mark, circulated coins have retail values of $275.00-$430.00 depending on the grade.
If the 1928 Peace dollar has no mint mark, circulated values are $290.00-$450.00 depending on the grade
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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."
$22 to $75,000 depending upon the mint mark and the condition of the coin.
1928 makes it a Peace dollar. The mint mark is located on the reverse (tails) side, below the word "one." D for Denver, S is San Francisco, and no mark is Philadelphia.
There is no such thing as a 1924-K dollar. You may be seeing the intertwined AF monogram of the designer. 1924 Peace Silver Dollars were minted in two locations: Philly, , there is no mint mark; and, San Francisco, carrying the mint mark of "S." As an addendum, there is a 1924 Peace dollar with a broken Wing, VAM-5A - its value in Fine condition is: $75.00.
There is no mint mark on the 1921 Peace dollar because they were all minted in Philadelphia and thus carry no mint mark.
This design carries the word PEACE on the reverse side because it was issued to mark the end of WWI, so it's normally called a PEACE dollar. Please see the Related Question for more details.
The only mint marks a Peace dollar can have are a "D" or "S". Philadelphia didn't use a "P" mint mark on $1 coins until 1979. Please see the Related Question for more information.
1923 makes it a Peace dollar. The mint mark is located on the reverse (tails) side, just below the word "ONE." The possible marks are:No mint mark = PhiladelphiaD = DenverS = San Francisco