Upper Silesia

5pf/20pf (SG 12, Mi 10) variety inverted overprint, mint, and 10pf/20pf (SG 14, Mi 11) variety double overprint (one inverted) mint

5pf/15pf violet (the error, Mi 10F), three examples showing the three different overprint types, mint

5pf/20pf (Mi 10) vertical pair, both with double overprint, used on piece with RATIBOR cds

25pf (Mi 33) error overprint inverted, used on piece with OPPELN cds

2M (without 21) wmk lozenge (Mi 19), ovpt C.G.H.S. inverted, used

1920 DOVES (026094)
11 various Doves issue to 75pf on cover (philatelic) from ROSENBERG cds to Ramsgate, UK, 1922

1920 SURCHARGES (026303)
5pf on 20pf and 10pf on 20pf, both with double overprint mint light hinge