Bidspirit auction | Italian Colonies - Libya

Italian Colonies - Libya - 1926-29, Sibilla Libica, 20c green, perforation 11, top sheet margin vertical pair, imperforate at top and between stamps, perfect centering, full OG, NH (LH on top margin away from the stamp), VF and very rare, S. Sismondo certificate, C.v. $1,800, Sassone #54f, C.v. €5,000, without 100% premium for never hinged, Est. $1,200-$1,500, Scott #39a