Gary Dent has not been seen since he was last spotted in Avenue Terrace in Sunderland at 9.30am on January 5.
Concern was raised for the 57-year-old after he failed to return home that night.
Gary is described as white, 6ft 2ins, very short with balding grey hair, stubbled beard, medium build.
He was wearing a red and black panelled "Cotton Traders" fleece, dark trousers and carrying a cream calico fabric bag.
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Gary, or anyone who knows where he is, is asked to contact Northumbria Police on 101 quoting reference 1009 050117.