SAAR 1920 - 1959, mint never hinged collection with amongst other things Michel - no. 28bI signed Burger BPP, 30 and 31 from the left upper corner, photo expertize Burger BPP, 40K signed Burger BPP, 134 photo expertize Ney BPP, 144 - 50, 151 - 57, 161 - 67, 226 - 38I signed twice Hoffmann BPP, pages 1 and 2 signed Ney BPP and so on.