1930, five mint stamps, representing complete sets with perforation 12 1/2 and 10 1/2, as well as two Zeppelin Flight covers and one postcard, all are properly franked, bearing confirmation and arrival markings, stamps with full OG, mainly LH, all are VF (Image)

1930, 40k ultra and 80k carmine, imperforated complete set of two, both stamps have balanced margins all around, full OG, LH, VF, Soviet Philatelic guarantee hs, L. Melnikov certificate (Image)

1930, 40k ultra, left sheet margin imperforated single, white dot after ''40'' at right (position 6), full OG, LH, VF, Soviet Philatelic guarantee hs (Image)