1921-D Walking Liberty Half Dollar, Key Date, Good. The item "1921-D Walking Liberty Half Dollar, Key Date" is in sale since Wednesday, February 24, 2021. This item is in the category "Coins & Paper Money\Coins\ US\Half Dollars\Liberty Walking (1916-47)". The seller is "zog*123" and is located in Laporte, Colorado. This item can be shipped to United States.