(BLUEBACK CHARTS.) Together, four engraved nineteenth century sea charts. Imray, James. North Atlantic; 1878. 41x48 inches, soft creasing with a large separation at center. * Imray, James. Chart of the West Coast of South America extending from Valpariso to Truxillo; 1855. 40x50 inches, soft creases, light soiling. * Imray, James. Kattegat; 1878. 48x41 inches, soft creasing light soiling. * Capt W.F.W. Owen, Africa Sheet V; 1828. 39x26 inches, soft creases and heavy staining particularly along lower edge. sold as is. Vp, vd