If it has one, it's just above the eagles tail near the rim.
Assuming the coin is circulated and has no mintmark. The 1923 Peace dollar is so common, circulated examples are only $16.00 to $20.00 retail. Mint State examples run from $25.00-$35.00
The image on the 1923 Peace Dollar is that of Lady Liberty.
A 1923 Peace dollar is very common and has values of $25.00-$27.00 in circulated condition.
1923 would make it a Peace dollar, so the mint mark is located on the reverse (tails) side, just below the word "one."
The last Morgan dollar was struck in 1921. The date 1923 is a Peace dollar. Average value is $37.00-$41.00
With a mintage of 30,800,000 a 1923 Peace Dollar is not rare or scarce. Retail values are $16.00-$20.00 for circulated coins and uncirculated start at $22.00+
The 1923 Peace Dollar contains 90% silver and 10% copper.
The 1923 Peace dollar is so very common, retail values for circulated coins are $37.00-$40.00
4-20-11>> Assuming the coin is circulated, the 1923-S Peace dollar is common. The retail values are $37.00-$41.00 depending on condition.
The 1923-S Peace dollar is very common, circulated coins are valued at $16.00-$24.00 depending on how much wear the coin has.
The 1923 Peace dollar is a common date of the series. Circulated examples with no mintmarks have current market values of $30.00- $37.00 depending on the actual grade of the coin
With a date of 1923 the coin is a PEACE dollar, values are $37.00-$40.00 for circulated coins.