1900 Large hermes heads surcharges, 40l/2l. (wide and narrow 0) in block of 4 (pos.93-94/103-104), u/m. Var. "space 1 1/2mm" on bottom pair. 4 different stamps in this superb block. Signed by Cosmopoulos. (Hellas 156+156A+156a+156Aa - 200 euro).