1992 Columbus Quincentenary Plaque. Silver. 68.5 mm, square. 374.2 grams. .999 fine. By Magdalena Dobrucka. Miller-57. Edge #42. Choice Mint State. Antique silver gray surfaces are seen on both sides of this striking example. From a mintage of 100 pieces in silver. Housed in the original box as issued by the ANS. From the Richard Jewell Collection.