J Collins & Son proprietor Jonathan Biggs is hoping a member of the trade will spot the object and alert the police.
The French ebonised snuff shoe with brass pique pins c.1880 has a value of £220. Biggs said: “We reported it to the security and management of IACF the day we found it missing.”
Anyone with information should call the police on 101 quoting crime reference number 47190108982.