Maker's mark stamped on much, but not all, early English pewter. Their use was strictly controlled by the Pewterer's COmpany of London: early examples consist of initials, later ones are more elaborate and pictorial, sometimes including the maker's address.
The best buying and selling prices available for a stock from market makers as quoted in SEAQ and SEAQ International.
Competing market makers quote slightly different prices for a share. The TOUCH is the difference between the best bid price and the lowest offer price.
The best buying and selling prices available on SETS or from a market maker on SEAQ or SEAQ International in a given security at any one time.
The best prices available for a stock on the stockmarket, looking at all market makers.