1912-1913 "ΛΗΜΝΟΣ" ovpt, complete set of 21 values, mint. 10l litho with double ovpt in u/m copy signed S.F. (Spetsiotis), and one additional 2dr in red-orange sigend AA (Argyropoulos), while 25dr high value in u/m copy. Very fine. (Hellas 300/306+307b+308/320+316h).