Lot 1233
Austria, Oct. 28, 1931 Grazenfeld Rocket Mail Signed Flimsy Card, Very Rare. E-Z 11C1a. Ellington-Zwisler 11C1a. Only 7 flimsy cards flown and only 2 of these were signed, bears the additional 'F' cachet, all were pencil numbered, this is #69. Mint 'F' flimsy card also included. Estimated Value $1,200 - UP
Ex Ritten & Alden Barnes collection.
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| Realized $600 |
