Lot 1742
1918, Germania 15 pfg. violet with additional franking tied by provisional cancellation "URZAD POCZTOWO-TELEGRAFICZNY KOLNO" resp. with ink crosses to page postal receipt book, very rare and attractive with only one other page known also franked with the Germania "Poczta Polska" issue, a great Poland rarity, certificates Korszen (2012) and Petriuk (2020) (Fischer 7Ic, 11Ic, 12Id, 14Ib)
