Belgian print, complete set of 9 values plus colour shades, used. All stamps very fine to superb. Very difficult to be collected. (Hellas 61 + 61a + 62 + 63/65 + 65a + 66 + 66a + 66aa + 66b + 66c + 67 + 67a + 68 + 68a + 68c + 69).