1856 $3 Princess Gold Coin - Very Fine Detail (looped) Sourvenir Gamma rays from the antimony

Gamma rays from the antimony are absorbed by the beryllium atoms and a neutron is expelled by the beryllium atom in the process

At this point

A stunningly toned Gem - if I were naming coins by their colors

1940-S Walking Liberty Half Dollar - NGC MS 65 - Gem Brilliant Uncirculated

no tears and sharp corners for the grade

1856 $3 Princess Gold Coin - Very Fine Detail (looped) Sourvenir Gamma rays from the antimonyBy some accounts the primary purpose for the $3 gold coin was to make the purchase of larger quantities of 3 stamps easier. Whatever the reason, this "odd" denomination is always in demand and one of the more interesting coins in U. S. history.