Proof 1860-63, Decimal Currency issue, study collection of die proofs, plate proofs and trade samples for the decimal currency issue, incl. trial colors, Goodall proofs (various colors), proofs on India and on card, Specimen overprints, blocks etc., comprising 1c (46), 2c (27) incl. A.B.N. Co. printer's reference card and plate proof apparantly cancelled, 5c (21), 8½c (28), 10c (15) and 12½c (22), neatly mounted for exhibition, mostly very fine photo ex