Auction # 2444 WORLDWIDE + ARGENTINA: Extraordinay November auction

Entire letter sent from Río Grande to Porto Alegre on 10/OC/1850, franked on back, over the seal, with what originally was a block of 4 of 30r. black of 1850 (Sc.23, it was torn into 2 pairs when the letter was opened) uncancelled, very nice!