German Reich 1934, Rockets flight Thale, card franked by 6 Pf. Wagner, on face Raketenvignette 6A3 (color error silver / green - from this are only 8 pieces recorded!) and reverse horizontal unperforated t_t_-b_che pair to 3 Mark (black / silver), black special cancellation "rocket assisted takeoff THALE / Harz Mountains", to Hamburg, scarce Raketenbeleg.