Collectible coins, particularly in the context of U.S. currency, refer to rare or historically significant coins sought after by numismatists and collectors. The Liberty Head design, used on the quarter eagles, was minted in the United States from 1840 to 1907, with the two and a half dollars denomination, also known as quarter eagles, featuring the image of Lady Liberty. The 1851 Liberty Head quarter eagle is noted for its historical significance and scarcity, making it a popular piece among collectors. This coin's composition typically involves gold, reflecting the era's standard for currency valued in precious metals.

Item Denomination Series Year Mint
1851-- (Unknown) Liberty Head Quarter Eagles $2.50 $2.50 (Two and a Half Dollars) Liberty Head Quarter Eagles $2.50 1851 Unknown
1851-O (New Orleans) Liberty Head Quarter Eagles $2.50 $2.50 (Two and a Half Dollars) Liberty Head Quarter Eagles $2.50 1851 New Orleans
1851-P (Philadelphia) Liberty Head Quarter Eagles $2.50 $2.50 (Two and a Half Dollars) Liberty Head Quarter Eagles $2.50 1851 Philadelphia
United States of America 1851 Charlotte Liberty Head Quarter Eagles $2.50 $2.50 $2.50 (Two and a Half Dollars) Liberty Head Quarter Eagles $2.50 1851 Charlotte
United States of America 1851 Dahlonega Liberty Head Quarter Eagles $2.50 $2.50 $2.50 (Two and a Half Dollars) Liberty Head Quarter Eagles $2.50 1851 Dahlonega
United States of America 1851 N/A Liberty Head Quarter Eagles $2.50 $2.50 $2.50 (Two and a Half Dollars) Liberty Head Quarter Eagles $2.50 1851 N/A