Lot 10624 – AUSTRIA: 1948 1s+50g Olympic Fund Raising Stamp groupc incl. essay, colour trial, imperf. proof, etc.

AUSTRIA: 1948 1s+50g Olympic Fund Raising Stamp group incl. original sketch of the stamp by the designed A. Chmielowski in pencil and signed by him at foot, 13×18.5cm, 60s+20g essay with different perf. size in red-brown, issued stamp affixed to paper with the signatures of the designer and engraver below, imperf. proof in black on postal notice, two mint examples with fly-speck varieties, and dour usages of the stamp/postal stationery card, a unique group