unmounted mint Block Larger Than four 50c Chicago Zeppelin (C18), B. plate no. 21171 block of six, never hinged, usual natural gum skips and bends, few natural paper wrinkles, fine-very fine, Scott retail $650.00est.
unmounted mint Block Larger Than four 50c Chicago Zeppelin (C18), B. plate no. 21171 block of six, never hinged, usual natural gum skips and bends, few natural paper wrinkles, fine-very fine, Scott retail $650.00est.
unmounted mint Block Larger Than four 50c Chicago Zeppelin (C18), B. plate no. 21171 block of six, never hinged, usual natural gum skips and bends, few natural paper wrinkles, fine-very fine, Scott retail $650.00est.
