CANADA. Bank of Canada. 50 Dollars, 1954. BC-34a. Devils Face. PMG Choice Uncirculated 64 EPQ.Coyne - Towers signature combination. A nice and fully original choice uncirculated example of the popular Devils Face $50. A pleasing example of the type that would have graded at the Gem Uncirculated level if the centering on the front was just a bit better.