Air Mail cover 1933 WIPA flight cards (6) carried by the WIPA airmail showing a good range of special cachets including Kronfeld glider flight card from Budapest to Zurich (only 19 flown), also three 1933 covers bearing complete sets of 1933 10f. to 5p. airmails and flown on WIPA flights on 24.6, 30.6 and 5.7 respectively. (9)