The Washington Mint 4 oz .999 Silver $100 Proof Notes in Box w/ COA C.S.A. indicating that the sheets were

indicating that the sheets were stacked on top of each other in storage

KM# A6 Denomination 3 Groschen Country Poland Government Kingdom Ruler Sigismund III Coinage Type Standard Coinage Composition Silver Description Obverse Large crowned bust right Description Reverse Value and armorials above inscription

1682 oz ASW Diameter 23

Still probably VG anywhere

The Washington Mint 4 oz .999 Silver $100 Proof Notes in Box w/ COA C.S.A. indicating that the sheets wereEach of these 4 troy ounce silver bars is minted of . 999 silver, housed in a protective plastic case inside a hard blue felt box and include their Certificate of Authenticity from the Washington Mint.