99 URUGUAY - POSTAL HISTORY Auction #2229: URUGUAY: Selection of 100 good lots! Cover / Cat.#: VF. 22/JA/1923 Montevideo - Buenos Aires: Special flight by Shirley Kingsley, registered cover franked with Sc.C1 (blue overprint) + 10c., with arrival backstamp (Müller 6). Covers franked with Sc.C1 are rare (they usually have Sc.C3, green overprint), very fine quality! Starting Price: US$ 250 Current Price: US$ 250 Bid US$ 275 or more Closing: 2022-08-11 22:20:00