Lot 775
775
unmounted mint Block of Four 50c Chicago Zeppelin (C18), T. margin block of four with plate no., never hinged, natural gum creases, very fine, Scott n.h. retail $400.00 est.

Details
unmounted mint Block of Four 50c Chicago Zeppelin (C18), T. margin block of four with plate no., never hinged, natural gum creases, very fine, Scott n.h. retail $400.00 est.