MONTSERRAT 1980 (VARIETY) 5C MALAY APPLE OFFICIAL BLOCK WITH OVERPRINT DOUBLE
5c Malay Apple bottom right corner imprint block x 6 with variety 'O.H.M.S.' overprint double, Second strike very light (barely perceptible on second column) and positioned diagonally. Possibly the largest block extant. Fine cancelled-to-order (as issued). SGO17a; SCO20var
