Collection of all values and almost all the existing shades, u. Extremelly difficult to be collected (Hellas 73, 73a, 73b, 73c, 73d, 74, 74a, 74b, 74c, 74d, 74e, 75, 75a, 76, 76b, 76c, 76d, 76e, 76f, 77, 77a, 77b, 77c)