Polish Army in the Soviet Union. 1942, Dojdziemy, 50k red brown, Polish Field Post in Russia booklet bearing one stamp, numbered on reverse ''154'' (only 1000 booklets were produced), mostly VF, Fischer #1, Est. $150-$200 (Image)

Polish Army in the Soviet Union. 1942, Dojdziemy, 50k red brown, tete-beche block of six (3x2) with favor cancel without date and reprint pane containing irregular block of four with one horizontal pair printed upside down, first one with full OG, reprint has no gum as produced, VF and an interesting couple, block of six with expert's hs, Est. $300-$400 (Image)