LONDON – A Royal Bank of Scotland note dating from 1777, which is thought to be first tri-colored note issued in Scotland and possibly in Europe, will be offered by Mayfair-based Auctioneers Noonans in a sale of Banknotes scheduled for Wednesday, August 24 and Thursday, August 25. Known as the Red Guinea, it is estimated at £1,500-£2,000. View the fully illustrated catalog on LiveAuctioneers.