UNITED STATES: AR ingot (158.69g), Opitz p.223 (plate example), VF, 33x50x9mm, issued by the Nevada Silver Co., stamped 999 FINE / 5.09 OZS. / VAL. $6.56 on obverse, with the serial number 266 at the top, lovely example with slate-gray toning and a touch of rainbow coloring, ex Charles Opitz Collection. The Nevada Silver Co. was located in Tonopah, NV, and produced this type of ingot during the early to mid-20th century. For a similar example, see Stack's Bowers November 2020 Sale (Lot 8439).
Estimate: USD 750 - 1000