1884 4D DULL GREEN GOOD TO FINE UNUSED BLOCK OF FOUR 'SPECIMEN' TYPE 9 (SG192s). A good to fine unused block of four 1884 4d dull green lettered DI DJ EI EJ overprinted 'SPECIMEN' type 9 (SG192s). DI corner crease, good to fine large part o.g., fine colour. (Ref 141791).