<P> Fisher v Bell (1961) 1 QB 394 is an English contract law case concerning the requirements of offer and acceptance in the formation of a contract . The case established that, where goods are displayed in a shop together with a price label, such display is treated as an invitation to treat by the seller, and not an offer . The offer is instead made when the customer presents the item to the cashier together with payment . Acceptance occurs at the point the cashier takes payment . </P> <P> The defendant displayed a flick knife in the window of his shop next to a ticket bearing the words Ejector knife--4s, (i.e. four shillings). </P> <P> Under section 1 of the Restriction of Offensive Weapons Act 1959 (which was expanded in 1961 after this case finished to deal with the gap in the law): </P> <P> (1) Any person who manufactures, sells or hires or offers for sale or hire, or lends or gives to any other person--</P>

A customer makes an offer by bringing an item to the cashier to pay for it