CANADA. Bank of Montreal. 4 to 100 Dollars, ND. CH #505-34-12. Back Die Proofs. About Uncirculated. 6 pieces in lot. Denominations include 4 Dollars, 5 Dollars, 10 Dollars, 20 Dollars, 50 Dollars & 100 Dollars. All are back die proofs. Period annotations are noticed on all, and all have been mounted to cardstock. Intricate lathe work is observed on all along with dark forest green ink.