Proof 1862-80 plate proofs on thin paper of the 1c., 2c. (3, one overprinted "SPECIMEN"), 5c. (4, one overprinted "SPECIMEN"), 10c. (2) and 25c. (2); also proofs on thick card of the 2c. (2) and 10c., and colour trials on thin paper of the 5c. (5, one perforated), all in various colours