Auction # 2444 WORLDWIDE + ARGENTINA: Extraordinay November auction

GJ.39, 10c. Belgrano franking an entire letter sent from Buenos Aires to Rosario on 11/OC/1870, in the bottom left angle there is a mark (very interesting) of the sender: "CHAs. Wm. BENN & CO. - ROYAL MAIL STEAM PACKET - BUENOS AIRES AGENCY", very attractive, with certificate of Holcombe