COLLECTIBLE: SOUTH AFRICA, 1950 2p Purple & Slate Blue, Official, Inverted Overprint (O47c; SG O45a). Mint N.H. bilingual pair, well centered, deep luxuriant colors on fresh paper, Very Fine, a scarce error and the only value of the series that comes with an inverted (reading up) overprint, with 1986 P.F.S.A. certificate, listed but unpriced in Scott, SG £1,100 COLLECTIBLE: INDIA, 1927, Nov. 3, Roger Latapie Paris to Saigon Return Flight, Calcutta-Allahabad Flight. ½a on ¼a post card cancelled by "Park Street, Calcutta, 3 Nov. 27" double-circle datestamp addressed to Naini (Allahabad), red "Urgent by Aeroplane, Par Avion by Air, Carried by Roger Latapie, From Calcutta 1927" cachet, French consulate handstamp with additional strike on reverse, Pioneer Press and Naini arrival datestamps, Very Fine and scarce, only eighteen postcards (plus one letter) were carried on this leg COLLECTIBLE: INDIA, 1928, Sept. 30, Baron Huenefeld Berlin to Tokyo Flight, Calcutta-Tokyo Flight. India ½a and 1a tied by "Park Street, Calcutta, 30 Sep. 28" double-circle datestamps on card to Tokyo, green "Europa SS" flight cachet and violet "Baron Huenefled" and blue "Tokio 18 Oct." handstamps, Stephen Smith message on reverse, Very Fine, only 47 cards carried on this leg of the flight