1954年加拿大银行20元。全4序列号。CANADA. Bank of Canada. 20 Dollars, 1954. BC-41a. Solid Serial Number. PMG Gem Uncirculated 66 EPQ. 肖像改换版。奶白色纸钞,阔边。全4编号 "4444444."。Modified portrait. Creamy while paper with broad margins. Seen with a solid serial number of "4444444."