Lot 148
1935 March 21, Katwijk aan Zee Flown Rocket Covers. Lot of two covers (rocket P.14), one with an imperf reddish purple rocket stamp tied by a red flight cachet and with a deep blue flight cachet at right. This cover is signed by rocketeer K. Roberti in blue. The other cover has both a red and a green imperf rocket stamps tied by similar red flight cachets with a deep blue flight cachet at the right. This cover is signed by rocketeer K. Roberti in red ink. E-Z No. 7C1a, C1c, 1996 cat. = $400.
Estimated Value $350 - 500.
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