Morocco Agencies
unused 1907 (Jan) "15 CENTIMOS" on 1½d. purple and green, a marginal pair from the left of a sheet, variety the left-hand stamp with "1" of "15" omitted, fresh mint with the variety apparently unmounted. Very rare. R.P.S. Certificate (1981). S.G. 114b, #2750
Details
unused 1907 (Jan) "15 CENTIMOS" on 1½d. purple and green, a marginal pair from the left of a sheet, variety the left-hand stamp with "1" of "15" omitted, fresh mint with the variety apparently unmounted. Very rare. R.P.S. Certificate (1981). S.G. 114b, #2750
Further details
Note: Only twelve examples are known from the first vertical row of one sheet