Lot including 1917 "Κ.Π." Surcharges on Fl. Mercury stamps. Surcharge inverted, double, one inverted, triple and double surcharge. Hellas C7b and C9Bb u/m, the rest hinged. Very fine lot, difficult to be collected. (Hellas C5a+C5c+C6a+C6d+C7b+C8b+C9Ba+C9Bb+C10a+C11k+C12b-153 Euros).