Shane Hadderton, aged 32, absconded from HMP Springhill on Tuesday (15/12) morning.
He was serving a sentence for burglary and driving offences.
Hadderton is a white man, approximately 6ft 1in tall, with dark, brown hair and green eyes. He also has a tattoo on his right arm of the words ‘Only God Can Judge Me’ and a further tattoo on his right ankle as well as a scar on both hands.
He is known to frequent the Heybridge, Southminister and Colchester areas of Essex and Tunbridge Wells in Kent, Surrey.
Detective Constable Paice O’Brien, based at Aylesbury police station, said: “We are appealing for help in tracing Hadderton after he absconded yesterday morning.
“We would ask anyone with information as to his whereabouts, or anyone who might have seen someone matching his description to come forward.
“Anyone who sees him should not approach him but call Thames Valley Police on 999 quoting reference 43200425350, or if you have information as to his whereabouts please call 101 or make a report online.
“Alternatively, if you wish to report 100% anonymously you can do so by contacting the independent charity Crimestoppers on 0800 555 111.”