cover Watermark Small Garter: 4d. on white paper in an extraordinary deep bright carmine shade, on 1858 (21 July) envelope to France tied by "LONDON S.E." DUPLEX CANCELLATION, RED "PD" in circle adjacent and red "BOULOGNE" arrival c.d.s. at top left; light vertical crease well clear of adhesive. A superb example of this distinctive shade and thought to be the finest known on cover. Photo