, 1882 Stamp Duty 50c. and 1r. plate proofs pairs in close to issued colours, each overprinted "CANCELLED", and twelve issued stamps" /> Proof REVENUES: 1875 Stamp Duty 500r. die proof in black on glazed card (92x60mm.) dated<I> "Mar. 13 1875"</I>, 1882 Stamp Duty 50c. and 1r. plate proofs pairs in close to issued colours, each overprinted "CANCELLED", and twelve issued stamps | Christie's