1914 - 1923, mint/mint never hinged collection with postal stationaries on form text, at this expertised of 134 values for BPP, most areas compl. with better colours etc., at this local mail Warsaw with Lokalaugaben Poland, Eupen & Malmedy, Dorpat no. 1 and 2 as well as 9, army 1/4 ever with certificate Hey BPP, Michels approx. 2.400.-