Bank of Scotland, a group comprising £5 (4), 1969, green, 1979, 1982 and 1983, blue, £10 (3), 1977, 1978, 1982, brown and £20 (3), 1979, 1982 and 1983, red and brown(Banknote Yearbook SC120, 121d, e, 134a, c, 145d, e), roughly half are uncirculated, remaining with single central crease, thus about uncirculated (10).
Estimate: £300 - £400