The mintmark if it has one, is between the word ONE and the eagle's wing tip on the reverse.
Yes the 1923 Peace dollar was struck at the San Francisco Mint, but it's very common. Circulated examples are $30.00-$38.00. Typical Mint State coins are $40.00-$50.00
This is a Peace dollar. The mintmark for Peace dollars is located on the back to the left of the eagles wingtip. Keep in mind it may be blank if it was made at the Philadelphia mint.
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
1923 would make it a Peace dollar, so the mint mark is located on the reverse (tails) side, just below the word "one."
The 1923 Peace Dollar is the 2nd most common coin of the series, retail values for circulated coins run from $16.00-$20.00. High grade mint state coins are $25.00-$30.00
The 1923-S Peace dollar is not rare by any means, circulated coins are only $37.00-$41.00. Typical Mint State coins are $47.00-$51.00
Please see this link
The 1923 Peace dollar is so common, circulated examples are only $16.00 to $19.00 retail. Mint State examples run from $25.00-$35.00
The 1923 Peace dollars are so common (regardless of mintmark) that circulated coins have retail values of $16.00-$20.00
$22 to $75,000 depending upon the mint mark and the condition of the coin.
The 1923-S Peace dollar is not rare by any means, circulated coins are only $37.00-$41.00. Typical Mint State coins are $47.00-$51.00
Retail values for the circulated 1923-S Peace dollar are: $16.00-$23.00. Mint state coins start at $28.00 the coin is very common.