French Colonies: French Equatorial Africa, 1937-40, Trimotor over Stanley Pool, value tablet blank, perforated trial color proof in green, left margin horizontal pair, Scott Type AP2, used for #C5-C8, o.g., never hinged, Post Office fresh; light toned spot at middle of center perforations, still Very Fine, a pretty pair, each signed Calves. Suggested Bid $200-300 (Image)