Rhodesia & Nyasaland Postage Due 1956 1d Handstamped in Violet

POSTAGE DUES: 1956 1d ultramarine HANDSTAMPED IN VIOLET (CC D1). Superb UM lower marginal example (stamp No 229 from the so-called "Bridger & Kay sheet"). With photocopy of original proving full sheet, the stamp marked Bridger & Kay on reverse. Rare & exceptional, a key stamp of the Territory.

These postage dues and the circumstances of their issue are discussed in a footnote in SG.