654 BRAZIL - POSTAL HISTORY Auction #1843: THE ANISIO STOCK - PART XVIII Cover / Cat.#: VF. 23 Identical covers: First philatelic airmail balloon flight , 22/JUL/1973, Centenary of Santos Dumont, VF quality! Starting Price: US$ 20 Current Price: US$ 20 Bid US$ 20 or more Closing: 2018-11-22 22:05:00