Lot 150
1935 April 23rd, Katwijk aan Zee Flown Rocket Covers. Lot of two similar flown covers carried on rocket "Icarus R. V. 1" with similar flight markings. One cover is franked with a perf rocket stamp (the cover is signed by rocketeer K. Roberti in black ink) and the other with a similar imperf stamp. Only 260 covers were flown. ALSO an additional cover with a triangular perf brown rocket stamp, flown on rocket "I.V. 2". Only 236 covers were flown. E-Z No. 9C1, C1a, 10C1, 1996 cat. = $325.
Estimated Value $250 - 350.
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