Hudson's Bay Company; 1820 £1 Hudson's Bay Company Bill of Exchange #956 Charlton: MB-10-10-06b-ii Legacy Currency Grading Very Choice About Uncirculated-58. Secretary: Wm. Smith. Governor: Wm. Williams. Accountant: John Spencer. Dated June 7, 1821. A fully signed note with intact counterfoil at left. Large size note: 24cm X 12cm. Should be considered very scarce as most of the notes on the market are remainders.