Watch List notes:

FIFTY DOLLARS, Knight/Wheeler (1976) centre thread YBG 732883 (R.506a); Johnston/Fraser (1985) Gothic serial YST 718120 (R.509a); Fraser/Higgins (1990) YZL 979648 (R.512); Fraser/Evans (1995) IG 95 900126 (R.516a). The first three with some folds or handling marks, otherwise virtually uncirculated, the last uncirculated. (4)