British Trade Tokens, Tickets and Passes, Numismatic Books including the David Griffiths Reference Library of Token Books

Mining, Ayrshire, Kilmarnock, ‘Culm’, 1786, copper bracteate, 23mm, 1.21g (D & W 290/101; Brodie –; cf. DNW 62, 1362). Very fine and very rare £90-120

Culm is generally understood to be the waste material from coal screenings, although it is also a term used for fine pieces of anthracite