This Silver 2.5 Centesimos coin from Panama, containing .0362 oz Silver, was one of the smallest coins ever struck for circulation which led to its popular moniker; the Panama Pill. Due to its 10 millimeter size, chances are that a sizable amount of the original mintage was lost, and examples that are offered for sale are not this nice. This coin is tied for finest known on the NGC census grading Mint State 66. A fully original beauty! Listed in Krause as KM#1.