Cover from Nababeep (South Africa) to Blantyre with 14 Dec 1954 datestamp from Nababeep, numbered 4338 and taxed in pencil with 2d in pen and 2d postage due pair cancelled Blantyre 24 Dec 1954 on the front, and Blantyre 23 Dec 54 arrival datestamp at the back.  Very rare and possibly unique routing.