According to CoinStudy.com, a 1946 Walking Liberty half-dollar coin is worth between $9.53 to $43 as of 2014, depending on the quality and the mint mark on the coin. The most valuable mint mark is Denver, followed by San Francisco and Philadelphia.
The 90 percent silver Walking Liberty half-dollar coin contains .36 troy ounces of silver, setting the lowest value for the coin at the current market value of silver, which fluctuates daily. Many collectors grade coin condition on a scale of good, fine, extremely fine and uncirculated. The $43 value belongs to a Denver coin in uncirculated condition, while the same coin in extremely fine condition may be worth $16.12.