Lot 429
Netherlands, 1934, 2 Rocket Mail Covers, Ellington-Zwisler #2, 3, Two different cachets, dated Dec 6th 1934, one has red "Komeet P.8 NRB" other with purple "Meteoor P.9 NRB", light burn marks as to be expected, otherwise Fine to Very Fine, 200 flown but most lost in explosion .
Estimate $200-300.
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| Realized $138 |
