Mr Sibbald was last seen leaving his home address within Coillesdene House, Portobello at 8pm on Tuesday 8th October 2002. There were no sightings of Mr Sibbald after that time, until his body was found on Friday 10th January 2003 on the west side of the embankment of the A1 at Whitehill Road (near to the exit for Kinnaird Park).
Mr Sibbald is described as being 5'6" tall, of stocky build and with short, light brown hair.
He was last seen wearing a fawn coloured 3/4 length 'Gant' make jacket, cream shirt and brown 'Timberland' shoes.
Mr Sibbald was also in possession of a gold bracelet and a DuPont Gatsby lighter. These items, along with his clothing, have not been recovered.
These items can be viewed by clicking on the links below.
If you have any information please contact Police Scotland on 101, or Crimestoppers in confidence and complete anonymity on 0800 555 111.