A livery collar or chain of office is a collar or heavy chain, usually of gold, worn as insignia of office or a mark of fealty or other association in Europe from the Middle Ages onwards.
Sir Thomas More wearing the Collar of Esses, with the Tudor rose badge of Henry VIII, by Hans Holbein the Younger (1527)
Lt-Col. David Currie VC wearing a collar of esses in his role as Sergeant at Arms of the Canadian House of Commons.
Drawing of detail of mermaid collar of Thomas de Berkeley, 5th Baron Berkeley (d. 1417), from his monumental brass at Wotton-under-Edge, Gloucestershire
Susan Fennell, mayor of Brampton, Ontario, Canada from 2000 to 2014, pictured wearing a modern mayoral collar
A heraldic badge, emblem, impresa, or device, is a graphic symbol worn or displayed to indicate allegiance to, or the property of, an individual, family or corporate body. Medieval forms may also be c
The Dunstable Swan Jewel, a livery badge from about 1400 AD, perhaps of Henry V as Prince of Wales. British Museum
The Château de Blois, with the porcupine of Louis XII
Imprese from Jacobus Typotius, Symbola Divina et Humana (Prague, 1601), engraved by Aegidius Sadeler II.
Salamander badge of King Francis I of France, with letter "F", Château de Chambord