Steven Quigley, aged 64, was last seen by relatives in the Millhouses area on Thursday, July 19.
INQUEST: Sheffield scissor firm boss died after suffering years of stressThere was a possible reported sighting of him in the early hours of Friday, July 27 on Little Common Lane, Whirlow, and Steven was reported missing to the police later that day.
APPEAL: Sheffield teenage girl still missing from homeHe is around 5ft 6ins tall, of a heavy build, with grey hair and a beard.
OPERATION: Police catch 22 motorists speeding on Doncaster road in one afternoonIt is thought that Steven may be travelling around in his car - a grey Volkswagen Polo with the registration number FY53 OGF.
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Anyone with information on his whereabouts should call South Yorkshire Police on 101 and quote incident number 536 of July 27.