cover 1890 (11 Aug.) mourning XU5 to Nova Scotia, endorsed "Res Trinidad 11 Aug. 90", bearing 4d. grey tied by upright oval "AO7" cancellation struck upside down, showing "DOMINICA/C/AU 11/90" c.d.s. with code-letter sideways; backstamped New York (20 Aug.) and Auburn N.S. S.G.24. Photo