1921-D Walking Liberty Half Dollar NGC F-15. A better date with problem-free battleship gray surfaces. The item "1921-D Walking Liberty Half Dollar NGC F-15" is in sale since Monday, August 31, 2020.This item is in the category "Coins & Paper Money\Coins\ US\Half Dollars\Liberty Walking (1916-47)". The seller is "coastcoin" and is located in Columbia, Maryland. This item can be shipped to United States.