Bank of England, an unissued interest bearing note for £50, 17-, with interest paid at the rate of 1 penny per day, on behalf of the Governor and Company of the Bank of England, good very fine, extremely rare, incredibly early and quite fascinating
EPM unlisted £2,400-£3,000

This unusual note was part of a group formerly in possession of Benjamin Heath, Deputy Governor of the Bank of England (1842-45)