2d. on 20 pfg., position 1, showing part of the a second overprint "2d" at top, fresh color and good perforation. Tied by rare Gibbs Type 1 pre-first day cancel "RABAUL Oct. 13 1914" to cover addressed to Mrs. R.J.A. Travers sent by her husband Captain Travers who played an important part in the action on the Bitapaka Road, reverse with typewriter text "I hereby certify that the stamp...one of the original stamps of the 16 issued...", a very interesting and rare cover with only 9 similar covers recorded. This is the sole used copy of this variety registered, the unused copy being damaged at bottom right, certificate BPA (1982) (Gibbs 4c)
Provenance: "Creed Collection", Uncommon Market (1966)
