Bank of British North America, Canada, uniface obverse and reverse colour trial $20, 3 July 19-, black on orange and blue tint underprint, royal crest at left, King Edward VII at centre, Canadian crest at right, printed signature of Mackenzie low right, reverse, brown, bank arms at centre, value at left and right, (Pick S433ct, Charlton 55-24-10), perforated, red SPECIMEN WATERLOW & SONS LIMITED overprint at left and right, both in PMG holders 66 EPQ gem uncirculated and extremely rare with Mackenzie signature - all examples previously sold by Spink with Stikeman signature (2)
