1901 (Feb.-Dec.) thick, soft Pirie paper collection on leaves; the mint with perf. 11 (55 with several blocks of four and two pairs (one unused) variety imperforate vertically), perf. 14 (9 with two pairs, variety imperforate vertically) and mixed perfs.; the used including perf. 14x11 and mixed perfs. (5 with a pair); fair to fine