Bidspirit auction | Austria - Semi - Postal

Austria - Semi - Postal issues - 1933, WIPA International Philatelic Exhibition, 50g ultra, souvenir sheet of four printed on granite paper, tiny spot of natural inclusion at the top, post office fresh quality, full OG, NH, VF and scarce item with original dark gray booklet, only 10,000 sheets were printed, C.v.$3,050, ANK #556A, €4,400, Sc. #B111