A 15th century gold heart-shaped brooch, a medieval gift of love from time of the Wars of the Roses, is guided at £6000-8000 at Hansons in Derbyshire on August 23.
The high-carat jewel, inlaid with white enamel, is engraved in the language of courtly love with the medieval French inscription Honour et Ioie (honour and joy).
It was unearthed in 2016 on land bordering the moat of Kirby Muxloe Castle, the seat of William Hastings who had fought alongside Edward IV at Towton in 1461 before meeting a grisly end at the behest of Richard, Duke of York (later Richard III).