
Based on the information provided, a Walking Liberty half dollar, minted from 1916 to 1947, contains 0.3617 troy ounces of pure silver.
The coin has a total weight of 12.50 grams and is composed of 90% silver. This composition means that while the entire coin is not pure silver, a substantial and specific amount of its weight is derived from its silver content. The actual silver weight (ASW) of 0.3617 troy ounces is the standard measure used to calculate the intrinsic metal value of the coin.


