1919 / 41, unused / mint never hinged collection stamp booklet pages ex stamp booklet 6 / 49, most stamp booklet were unstapled, the lid side and interleaving pages are lots is existing, a few booklet are also original stapled, as well including the stamp booklet panes from MH6 A, MH10, MH20, MH23 (all mint never hinged) and so on, from 1933 is the collection complete and obviously mint never hinged, high KW