Plate 52, range (115) on album leaves, with perf. 16 used singles (3, each on dated piece) and perf. 14 unused singles (4), used singles (18, including three transitional shades), used on covers (3, one posted on Christmas Day 1861, another a transitional shade used 15 Jul. 1857), pairs (25), strips of three (five, including one in a rare transitional shade), blocks of four (3), block of ten. S.G. Spec. #540+.