Cape of Good Hope 1890 "Per Norham Castle" to Scotland

1890 Cradock to Scotland: Letter endorsed "Per Norham Castle" franked Hope Seated ½d x 4 and 1d x 2 tied Numeral canceller 222 with departure cds OC 20 alongside. Arrival and transit mark on reverse. A tad scruffy, nonetheless a pleasing Donald Currie Line letter.