unmounted mint Block Larger Than four -- 1/- Die II, two lower right corner blocks of twelve (6x2) showing imprint and Plate numbers "1A 3A" and "1B 3B"; fine unmounted mint. A very rare pair. C.P. Cat. $9,400

Details
unmounted mint Block Larger Than four -- 1/- Die II, two lower right corner blocks of twelve (6x2) showing imprint and Plate numbers "1A 3A" and "1B 3B"; fine unmounted mint. A very rare pair. C.P. Cat. $9,400