Complete set of eight c.1880's H804-10 "Corner Clef" advertising trade cards printed on a pale green or yellow-tinted background. Distinct from other trade cards in this auction, the Corner Clef series was printed entirely with black ink on the aforementioned green or yellow backgrounds and depicts mischievous characters in baseball-related poses. Condition throughout this group averages VG with considerable toning present to reverse of several cards. Eight 2.75" x 4.25" cards total.