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

1927: Stationery Envelope, 2 d. brown, final colour Proof, complete envelope in the issued colour, inscribed "appd for colour", initialled and dated "29/8/27". Two tone spots top right edge, otherwise fresh and fine (H&G B2 proof). Scarce. Sold with an unsed file copy of the same envelope (has pin holes from being affixed to file).
Reference: The Postal Stationery of Nigeria, by Peter Hørlyck, illustrated pg. 390.
Provenance: Robson Lowe, 21 December 1978, lot 1323.