Air Mail cover 1931 (29 Aug.) 1st. South America Flight card from Budapest (21.8) bearing 1927 Air 2p. pair, showing (Type I) rectangular framed cachet in greenish-blue, dropped over the Cape Verde Islands and showing appropriate "CABO VERDE" (31.8) and "S.VINCENTE/CABO VERDE" (5.9) c.d.s. adjacent. Rare. Photo