Poland. Collection/accumulation ★/(★) 1918–1960 on leaves. Interesting material starting with the German occupation during WWI, local overprints (1944), Monte Cassino issue (1944), provisional air mail issues (1921), Liberation of Warsaw, Groszy overprints, Block 12, special issues for stamp exhibitions (1950s), referendum area issues (1920s) and a lot more. Probably more than 200 album leaves. Please see a selection of scans at www.philea.se. Mostly good quality. (>1000)