Some type of depiction of Lady Liberty can be found on all circulating U.S. coinage dated 1891.
Assuming the coin is circulated,your 1921-S MORGAN DOLLAR is common. Retail value is $37.00-$44.00. NOTE: No US coin is called a Lady Liberty coin.
Assuming the coin is circulated and has no mintmark ,your 1896 MORGAN DOLLAR is common. Value is $17.00-$26.00 NOTE: No US coin is a Lady Liberty coin.
A Liberty Head $20 gold coin with a grade of very fine (VF) is worth about $7,200.
The coin is a Morgan dollar the date 1891 is common and assuming it's circulated and has no mintmark, retail values are $17.00-$38.00 depending on the actual grade of the coin.
A seated Lady Liberty.
Lady Liberty
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First, no US coin of any type is referred to as a "Lady Liberty coin", but the symbolic portrait of Lady Liberty is on most older US coins such as the Morgan Dollar series. So the Morgan and the lady liberty are the same coin.
Lady Liberty is featured on many older as well as some newer US coinage.
The Liberty Nickel is a USA 5 cent coin which was minted from 1883 to 1912, bearing the image of Lady Liberty on the obverse [heads] side of the coin and a large letter "V" on the reverse [tails] side of he coin.
Assuming the coin is circulated and has no mintmark ,your 1926 PEACE DOLLAR is common. Value is $17.00-$29.00 NOTE: No US coin is a Lady Liberty coin.
The 1924 $20 gold coin features Lady Liberty on the obverse side.