France, Airmail, 1928, 10fr on 1.50fr "Ile de France", surcharge widely spaced. Pristine o.g., never hinged, rich color, fresh and Fine, an attractive example of this very rare airmail variety, especially so in never hinged condition; with 2001 A.P.S. certificate. Maury No. 4a. Scott No. C4a  $14,000. $0 (Image)