captainfwiffo said:The scarce and key dates for Walkers are:
1916-P
1916-S
1917-D Obverse Mint Mark
1917-S Obverse Mint Mark
1919-P
1921-P
1921-D
1921-S
1938-D
1921-D and to a lesser extent P are the toughest and are worth significantly more than melt even in fairly crummy condition. Any early dates in better grades can be worth a premium.