1900 Large hermes heads surcharges, 3dr/10l. orange in perforated block of 4 (pos.91-92/101-102), u/m. Var. "space 2mm" (pos.92) and "space 1 1/2mm" (pos.101 and 102). Unique block of 4 in the sheet of 150. Superb. (Hellas 163+163b+163a - 1000 euro).