He was sentenced to 19 months in prison in July 2013 and was released in December 2013.
Bradshaw is described as white, 5ft 7in with a medium build and brown hair.
Although it is not known where Bradshaw is, it is believed that he may be in the Selby or Keighley areas.
Detective Inspector Graeme Wright, of York CID, said: Clifford, if you see or hear this appeal, I cannot advise you strongly enough to hand to yourself in.
By remaining at large you only making the inevitable outcome worse for yourself. You need to know that we are going to catch you and return you to custody.
I am also appealing to anyone else who sees Bradshaw to contact the police immediately.
Anyone who can help to locate Clifford Bradshaw should contact North Yorkshire Police on 101 straight away, select option 1 and pass the details to the Force Control Room.
Or call Crimestoppers anonymously on 0800 555111, quoting reference number 12140146681.