Splashes of steel-blue, reddish-gold and olive-russet peripheral toning frame the otherwise pearl gray surfaces of this Gem. The texture is silky smooth throughout, as befits the assigned grade, and the strike is bold to sharp in all but a few isolated areas. The Condition Census for the 1833 O-107 dies as established in the fifth edition of the Overton-Parsley early half dollar reference reads: 66, 66, 64, 64, 63. The present example is the top ranked survivor -- and the only MS-66 -- listed in the Spring 2016 revision to Stephen J. Herrmans <em>Auction & Mail Bid Prices Realized for Bust Half Dollars: 1794-1839</em>. Of obvious importance to advanced Capped Bust half dollar variety specialists. This coin is also one of the finest examples of the 1833 issue as a whole known to PCGS. Highly desirable in all regards, and sure to sell for a strong bid..,,PCGS# 6163. NGC ID: 24FX.,PCGS Population (all die varieties of the issue): 1; 4 finer through MS-68.,From Ira & Larry Goldbergs Pre-Long Beach Auction of May 2012, lot 1216; Ira & Larry Goldbergs Pre-Long Beach Auction of May-June 2015, lot 1277.