The 1920 Half Dollar - aka - Liberty Walking - mint mark of "D" or "S" would be located on the reverse side, just to the left and above the "H" in half dollar.
The mint mark on a Barber Half Dollar is located on the reverse side right under the tail of the eagle.
The mint mark on a 1936 Walking Liberty half dollar is located on the reverse [tails] side of the coin in the little "valley" just to the left of the word "HALF" near the edge of the rim.
On this coin, the mint mark is located in between the two middle numbers of the date, and slightly above. If there is no mark in this location, the coin was minted a Philadelphia.
above the DO in the dollar
It depends on the condition and the mint mark.The 1920 Standing Liberty Half Dollar minted in Philadelphia (no mint mark) is worth between $7.00 in "Good" condition (note that "Good" is a numismatic term of art meaning "not very good at all") to $75.00 in "Extremely Fine" condition (and $350.00 in "Uncirculated").The 1920 Standing Liberty Half Dollar minted in Denver ("D" mint mark) is worth between $12.00 in "Good" condition to $475.00 in "Extremely Fine" condition (and $1,550.00 in "Uncirculated").The 1920 Standing Liberty Half Dollar minted in San Francisco ("S" mint mark) is worth between $7.00 in "Good" condition to $235.00 in "Extremely Fine" condition (and $850.00 in "Uncirculated").The coin is 90% silver, has 0.3617 troy oz ASW ("Actual Silver Weight") and thus has a "melt value" (at the 11/29/07 troy ounce price of silver of $14.30) of about $5.17.The coin is a WALKING LIBERTY half dollar, the standing liberty series are Quarters.
The U.S. didn't mint any silver dollars in 1920.
The mint mark on a Barber Half Dollar is located on the reverse side right under the tail of the eagle.
The mint mark on a 1936 Walking Liberty half dollar is located on the reverse [tails] side of the coin in the little "valley" just to the left of the word "HALF" near the edge of the rim.
The first Half dollar with any mint mark was from the New Orleans Mint in 1838.The mint mark is on the reverse under the eagle
On this coin, the mint mark is located in between the two middle numbers of the date, and slightly above. If there is no mark in this location, the coin was minted a Philadelphia.
above the DO in the dollar
The mint mark is on the reverse of the coin between the tail and the D in the word dollar.
It depends on the condition and the mint mark.The 1920 Standing Liberty Half Dollar minted in Philadelphia (no mint mark) is worth between $7.00 in "Good" condition (note that "Good" is a numismatic term of art meaning "not very good at all") to $75.00 in "Extremely Fine" condition (and $350.00 in "Uncirculated").The 1920 Standing Liberty Half Dollar minted in Denver ("D" mint mark) is worth between $12.00 in "Good" condition to $475.00 in "Extremely Fine" condition (and $1,550.00 in "Uncirculated").The 1920 Standing Liberty Half Dollar minted in San Francisco ("S" mint mark) is worth between $7.00 in "Good" condition to $235.00 in "Extremely Fine" condition (and $850.00 in "Uncirculated").The coin is 90% silver, has 0.3617 troy oz ASW ("Actual Silver Weight") and thus has a "melt value" (at the 11/29/07 troy ounce price of silver of $14.30) of about $5.17.The coin is a WALKING LIBERTY half dollar, the standing liberty series are Quarters.
On a 1941 U.S. half dollar, the mint mark is located on the reverse side of the coin, just below the eagle's tail feathers. It will be positioned to the left or right of the ribbon that holds the olive branches. Depending on the mint where the coin was produced, the mint mark can be either a "D" for Denver, an "S" for San Francisco, or no mark at all for the Philadelphia mint.
An uncirculated Philadelphia half from 1972 retails for about $1.
The mint mark for the 1909 Half Eagle is located on the reverse {eagle} side of the coin just to the left of the arrow points.
No mint mark indicates that the coin was minted in Philadelphia.