Large Hermes Heads reference collection including 750 stamps from all issues. From basic stamps only Hellas Nos.8, 32 and 38 are missing. More over 120 different color shades. Platee flaws, control number errors, paper thicknes varieties and printing errors as well are included. Also 4 stamps with fake control numbers and 3 fake stamps. Over a hundred Paris issue and Athens pprovisionals stamps. A very strong and well organised reference.