KM-46. <strong>KEY DATE</strong>. Mintage of only 18,780 pieces. A few trivial contact marks consistent with the grade are noted for accuracy. Intriguing obverse tone with nice luster in a gentle gradient of tone moving westward across the obverse displaying a plethora of hues. Highly lustrous reverse with mottled russet with iridescent hues that pop out when tilted in the light. An attractive example sure to please. PCGS MS-63 Secure Holder. Ex: Coin Galleries sale July 1982, lot# 711.