1d. on 1d. purple, a specialised selection with panes of sixty (11), two including space between "1" and "d", varieties in singles and multiples include surcharge double mint (4) and used, space between "V" and "R" mint (2) and used, space between "R" and "I" mint and used, space between "1" and "d", offset inverted on face (6), misplaced surcharge, small "1" and others making a useful lot