Buffalo nickels, cash customised with engraving applications Modifying the relief designs on coins is usually a craft dating back into the 18th century and right now modified cash are identified colloquially as hobo nickels. The Burghers of Calais is usually a bronze sculpture produced by Auguste Rodin in 1885 https://simonciqro.tribunablog.com/leather-engraving-no-further-a-mystery-49728222