1875-1876 three DLO shift markings incl. "D.L.O. / 1 / *" on 1878 1c printed matter from Hamilton to local address, "Unclaimed", "D.L.O. / 2 /*" bs on 1879 cover from Hamilton to Hagersville, and "D.L.O. / 3 / *" on face of 1875 Chateauguay Bassin LC (Nov 24 1875) to Canton, Mass, USA with 3¢ Small Queen tied by grid and "OVER 1/2 OZ" hs, red "RETURNED FOR POSTAGE" and sent to DLO bs, postage collected and 3¢ applied and tied by "DEADL ETTER OFFICE CANADA JA 24 1876" proof like strike and sent on its way. Reportedly the only example of SHIFT 3 hs "DLO 3 *" and illustrated on Brian Plain's book. A showpiece and vital to any complete DLO collection. (Image)