, bearing 1a. pale red Die I (cut into at right) tied by diamond of hollow dots and showing, on reverse, fine "SINGAPORE/P.O." c.d.s. in red and framed Calcutta Ship Letter d.s.; some slight creasing. Photo" /> cover 1855 (5 Apr.) entire letter to Calcutta, marked<I> "per Lady Mary Wood"</I>, bearing 1a. pale red Die I (cut into at right) tied by diamond of hollow dots and showing, on reverse, fine "SINGAPORE/P.O." c.d.s. in red and framed Calcutta Ship Letter d.s.; some slight creasing. Photo | Christie's