Lot 57
 
Czechoslovakia, Airmail, 1930, 20k gray violet, perf 13¾ x 12¼ (C17b), block of four. Original gum never hinged, fresh and choice. Very Fine. Michel 310D €5,200 as hinged ($5,620). Pofis L14 C Koruna 130,000 ($5,720).
Scott $7,000 as hinged
A SUPERB AND EXCEEDINGLY RARE BLOCK.
Expertization: signed Gilbert, Karasek and BenesAIEP, with 1984 Karasek certificate.
20 Kc Letecké 1930, s Rz 13 3/4 : 12 1/4, ve 4-bloku, Pofis c. L14C, Michel c. 310D, nádherný kus, zkoušeno Gilbert, Karásek (+ fotoatest) a Beneš AIEP, na požádání Garancní certifikát Beneš AIEP, katalogová cena Michel odhadem 6.500 Euro, katalogová cena Pofis 130.000 Kc (= cca 5.700 USD), mimorádne vzácný výskyt, odhadní cena 5.000 - 7.000 USD.
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| Realized $13,500 |
