What is the value of a walking liberty five dollar coin?

Its price will vary depending on the current market price of gold. These coins contain 1/10 of a troy ounce, so to get a rough estimate check a site such as kitco.com for the current market price. Divide by 10, and add a couple of percent because the metal is in the form of a coin rather than raw metal.

The Walking Liberty design has been used on half dollars from 1916 to 1947 and the $1 silver "eagle" bullion pieces minted since 1986. While it sounds nit-picky, the design used on the $5 and higher gold bullion coins is called a standing Liberty image.