1945 - 1949, used led collection on hingeless form text, as well various better values already expertized amongst other things Michel-no. 67Y with not perusable postmark (photo expertize Ströh BPP - Michel 9. 000.), pages 1t used with photo certificate Ströh BPP, pages 5aY photo expertize Ströh BPP "genuine and immaculate", etc., high catalog value!