-- A specialised collection on leaves with the different perforations, positional blocks and varieties including Wu and Kuo transposed (perf.11), imperf. between stamp and lower margin, double perforations including in perf.10½ block of nine, left bar omitted (3), thin "16" (3) including perf.10½ corner block of ten, a very good lot. Lionel Prescott Collection. (124)