1875-79, 5¢ blue. 12 covers, with three NYFM cancel covers, two stamps on covers to Scotland and Germany, two registered covers with two 5¢ and single 3¢, and three examples on cover to Switzerland, other domestic usages, few minor cover flaws and reductions, Fine lot. Scott No. 179, 185  Estimate $400 - 600. $0 (Image)