Specimen 1912-25 MCA 1c. to 20r. with additional 1r. (2), 2r. and 5r. shades/papers, each overprinted "SPECIMEN" (Type D12/12a), the 3c. is in a pair, fine mint. S.G. 310-326; also 1928 1c. on 2c. stationery wrapper bearing 1c. and sharing "SPECIMEN" handstamp. (from the collection of Dr. Conrad Latto)