1873 cover to Christchurch, endorsed ‘per first steamer’ with a 2d vermilion, perf. 12½, (SG 138) tied by a barred ‘014’ cancel with a MILTON DE 15 73 datestamp alongside. Dunedin 15 DE transit and Christchurch 17 DE 73 arrival cancels are on the back. Fine, a scarce stamp on cover. B.P.A. certificate.