France, Airmail, 1930, 1.50fr ultramarine, "E.I.P.A." Perfins Inverted. Single C6 from top right corner of sheet with selvage attached, the perfins inverted placing entirely in the top margin, with Paris Expo cancel in right selvage, stamp is never hinged, slight hinging at upper selvage and bit of stain as well, otherwise Very Fine. Scott No. C6b var. Maury No. 6C var.  €550 ($753). $0 (Image)

France, Airmail, 1930, 1.50fr ultramarine, "E.I.P.A." Perfins. Excellent color, beautifully centered example, o.g., very lightly hinged, Choice Very Fine; with Calves handstamp. Maury No. 6C. Scott No. C6b  $450. $0 (Image)