1873 Liberty Seated Half Dime. Proof-67 (NGC). CAC.;A light patina of crimson and cobalt hues decorates the obverse of this radiant Superb Gem, complementing the delicate steel blue iridescence that graces the opposite side. Considerable reflectivity glimmers throughout the fields, nicely contrasting the richly frosted design elements. This gorgeous jewel is among the finest pieces certified by NGC, bested by just two coins in this category.