This Panamanian Silver coin was struck to the same standards as the U.S. pre-1965 half dollars. This coin contains an actual Silver weight of 0.3617 oz. An armored bust of Balboa appears on the obverse. The Panama national arms are on the reverse. This is a one year type, and as such is not easy to find. Coins in this listing will be Average Circulated. KM#4.