1923 overprinted "Vladivostok 1923" and surcharged "20 kop" on Russian Imperial stamps (1909-19), the complete set of 16 values (four imperf., others perf.), l.h. or h.r., fresh, signed Romeko, Dr.P.Jemchouhin, Bloch, Mikulski and others. Only 25-300 of each value were prepared, hence no more than 25 (!) complete sets can possibly exist, cat. €24200 (Cat No. Mi.45A-58) (Image)

Cat. €24200, Est.$15,000

1923 overprinted "Vladivostok 1923" and surcharged "20 kop" on Russian 50k, tied by Vladivostok (28 July) cds on cover addressed to Spassk, with arrival postmark alongside, repeated on back, v.f., signed Mikulski. A rarity of Soviet Airpost (Image)

Est.$7,500