1914 Argyrokastro issue, set of 29 values, u/m. Some with certificates by A.Zeis. RRR. (Hellas 13/27+28+29/31+33+34+35+38+39+40+41+42+42A+42B - With certificates: 15,16,17,28,29,30,31,33,34,35,38,41,42 - 3220 euros).