Auction 333-341 Nigeria, Cameroon, Sudan & Worldwide Postal History - Day 4

1902: Registration Envelope, 2 d. vermilion, embossed, De La Rue Die Proof, unfinished state, on wove paper (58 x 57 mm.), vibrant colour, very fine and rare; one of two recorded proofs.
Reference: The Postal Stationery of Nigeria, by Peter Hørlyck, pg. 373 and illustrated on pg. 374.
Provenance: The 'Colonel Danson' Collection, Robson Lowe,10 March 1971, lot 1554; and Robson Lowe, 10 June 1981, lot 188.