1922 Volga Famine Relief, unissued surcharge in black 250+250r on 70k brown, horizontal strip of five, overprinted "Obrazets" in red Cyrillic caps, n.h., folded between stamps, fine-v.f., rare as only one sheet of this surcharge (20 strips of five) was prepared, some undoubtedly broken up into singles (Cat No. B23S) (Image)

Est.$2,500

1922 Philately for Children, 1k orange, perf. and imperf. singles, l.h., v.f., signed Goznak, Bloch, etc., with Sismondo certificates, cat. $975 (Cat No. B24,29) (Image)

Cat. $975, Est.$500

1923 Philately for Labor, complete set of five, also additional pelure paper variety, l.h., v.f., with Mikulski certificates (for B38 and 42), cat. $1660 (Cat No. B39-42,B40a) (Image)

Cat. $1660, Est.$500

1923 Philately for Labor, silver surcharge, n.h., v.f., signed Mikulski, etc., with 2010 Sorani certificate, cat. $1800 (Cat No. B42) (Image)

Cat. $1800, Est.$750

1923 Philately for Labor, silver surcharge inverted, position 25, canceled on piece, v.f., with Mikulski certificate, cat. $2500 (Cat No. B42a) (Image)

Cat. $2500, Est.$1,000