essay Proof --, imperforate proofs comprising 1f. to 10f. in issued colours and unissued 15f., 16f., 20f., 25f., 30f. and 40f. mounted on two presentation cards, and four further 4f. colour proofs on two similar cards (both creased). Also printer's file sheets of 100, comprising Postage set of eight and Official set of seven -- cat. #1140