unmounted mint Block Larger Than four  1985-86 $1.70 green and blue variety imperforate, a block of ten with strip of five showing blind perforations in a block of fifty, a few peripheral faults, unmounted mint. A scarce variety. S.G. 482, Yang 307. Photo
unmounted mint Block Larger Than four 1985-86 $1.70 green and blue variety imperforate, a block of ten with strip of five showing blind perforations in a block of fifty, a few peripheral faults, unmounted mint. A scarce variety. S.G. 482, Yang 307. Photo

Details
unmounted mint Block Larger Than four 1985-86 $1.70 green and blue variety imperforate, a block of ten with strip of five showing blind perforations in a block of fifty, a few peripheral faults, unmounted mint. A scarce variety. S.G. 482, Yang 307. Photo