TEN DOLLARS, Johnston/Stone (1983) TXV 097844 (R.308); Johnston/Fraser (1985) UXR 720913 (R.309), (1988) AB21 963885 (R.310b); Fraser/Higgins (1990) UZC 437751 (R.312); Fraser/Cole (1991) MRR 995989/90 (R.313bL) last prefix consecutive pair. Uncirculated. (6)