2l. 1912-13 Struggle against TB in u/m strip of 5. Two stamps perf 10 1/2 at top and bottom (left), two stamps perf 10 1/2 at top (right), while middle stamp perf 10 1/2 at top and 10 1/2+13 1/2 at bottom. Very fine. (Hellas CId+CIib+CIb).