Cameroons, 1915, "C.E.F." and 1d in blue on German Cameroun 10pf carmine (Scott 55), bottom sheet margin pair with House Order No. H 756.13, o.g., never hinged, post office fresh and perfectly centered, Extremely Fine. A rare positional piece. SG B3. Michel 3 HAN. Michel €1,500 ($1,680) Suggested Bid $400-600 (Image)