Livingston, Fargo & Co./By the American Express. Blue printed frank (Haller FL6) on 3¢ Red Nesbitt entire (U9) to Boston, carried there by express and entered mails with red "Boston Mass. 22 Dec." circular datestamp and black "Paid" grid, rubber stamp scratched out at bottom left, Very Fine, an extraordinary usage of this rare express frank, the few other examples we have seen were put into the regular mails in Ohio, ex-Seacrest. Estimate  $750 - 1,000. $0 (Image)