For the purposes of this Act the expression "banker" means any person carrying on the business of banking in the United Kingdom, and the expression " Bank note " includes—
(a)Any bill of exchange or promissory note issued by any banker, other than the Bank of England, for the payment of money not exceeding one hundred pounds to the bearer on demand; and
(b)Any bill of exchange or promissory note so issued, which entitles or is intended to entitle the bearer or holder thereof, without indorsement or without any further or other indorsement than may be thereon at the time of the issuing thereof, to the payment of money not exceeding one hundred pounds on demand, whether the same be so expressed or not and in whatever form, and by whomsoever the bill or note is drawn or made.