Auction # 2432 WORLDWIDE + ARGENTINA: Special August auction

IRC (cancelled 5/JUL/1973) with an original value of "1 PESO" surcharged in red "VALOR m$n 12" IN THIN LETTERS, also with additional postage of 10c. Incan Bridge + 70c. Stylized airplane + 8c. Belgrano(to make a total of 1 Peso ley 18.188), very interesting mixed postage and change of value and currency!