CANADA. La Banque Nationale. 10 & 20 Dollars, 1922. CH #510-22-04S & 510-22-06S. Specimens. PMG Choice Uncirculated 64 EPQ & Gem Uncirculated 65 EPQ.2 pieces in lot. A pair of specimens printed by the BABN for the 1922 Banque Nationale series. The 10 Dollar note found in Gem 65EPQ, with the 20 Dollar note in CU64 EPQ.