Specimen 1907-10 MCA 1c. to $1 set of eleven with additional 3c. (R3/6), 4c. (R3/11) and 8c. (R5/1; tiny thin) showing plate retouches, each overprinted "SPECIMEN"; the $1 with tiny thin otherwise fine mounted mint. S.G. 23-33, £275+

Details
Specimen 1907-10 MCA 1c. to $1 set of eleven with additional 3c. (R3/6), 4c. (R3/11) and 8c. (R5/1; tiny thin) showing plate retouches, each overprinted "SPECIMEN"; the $1 with tiny thin otherwise fine mounted mint. S.G. 23-33, £275+