KM-142.1. <strong>VERY RARE</strong> date. Finest certified at NGC and PCGS. Possibly the finest example extant of this date. Sharply struck with lovely iridescent tone and strong underlying luster. NGC MS-64. From the Alex Siegel Collection.<p>Ex: Richard Lissner Collection. CNG sale, August 2014, lot# 1387 where it hammered at $2,250.