1920 specialised complete sheetlet collection of the Sarre overprint on Germania including 2 sets of ** sheetlets of plate 1,2 and 3 of Saar no.50 (20 on 75Pf overprint), some sheetlets with complete Abklatsch, Sheet no 52 with Schutzstempel on reverse and sheet no.13 with complete description of all plate errors, in folder
