50l/40l grey-bistre 1900 Large Hermes Heads surcharges perf. 11 1/2 in mint bl.4 (pos.122-123/132-133). Wide "0", space 1 1/2mm (pos.122), narrow "0", space 1 1/2mm (pos.123), wide "0", space 2mm (pos.132) and narrow "0" space 3mm (pos.133). Lower pair mint never hinged. (Hellas 162Aa+162a+162Ab+162).