Lot
2380 
Mercantile Library Association, 1870-75, 5¢ blue, top margin horizontal pair, on reverse of 1875, 1¢ Liberty postal card (UX5) locally addressed to the Mercantile Library, blue "Mercantile Library Association, Nov 16, 1875" oval date stamp alongside, Very Fine, one of three known multiple usages of the 5¢ blue Mercantile Library stamp; with 1990 P.F. certificate. Scott No. 105L3 Estimate $500 - 750.
In 1875, The Mercantile Library Association raised the delivery fee from 5¢ to 10¢.