Watch List notes:

(x) Canadian Bank of Commerce, uniface obverse and reverse proof of $20 on card, 1935, black on multicolour underprint, Neptune at left, sea maidens at lower right, Mercury and maiden at right, reverse, orange, Mercury and Ceres surrounding bank seal,, (Pick S972p, Charlton 75-18-10p), both in PMG holders 64 choice uncirculated, 66 EPQ gem uncirculated (2).

Estimate: £300 - £350