Generalgouvernement (Poland). 1943-44, Castles, 2zl slate green, 4zl gray violet and 6zl dark gray brown, three imperforated complete sheets of 25 (5x5), first one with bottom left corner crease far away from the stamps, full OG, NH, VF, Michel #113U-15U, €750 as singles, Est. $200-$250 (Image)

Generalgouvernement (Poland). COMPLETE SHEETS GROUP: 1942-54, 31 complete sheets of 10 (3), 25 (10), 50 (17), 100 (1), three from the Third Reich, 25 from Generalgouvernement and 3 from Saar of 1954, occasional separations, all with full OG, NH, VF, Mi C.v. €1,070++, Est. $250-$300 (Image)