Proof 1954-57 10f. orange, 20f. grey-green, 25f. brown, 40f. purple-brown, ½d. orange, 1d. green and experimental security background in three colours, 1957 unissued 15f. blue, 50f. red-brown, 100f. deep violet, 1d. green and 5d. black -- fourteen die proofs on gummed paper (57x70mm.); two with creases.