Police are appealing to members of the public to trace copies of the FreeAd Mart that were published between 2002 and 2003.
 
Officers want to hear from anyone who may have a copy of the Surrey, North Hants, Berks and Oxfordshire edition that was released between August 2002 and November 2003.
 
The editions may contain an advert that officers would like to get hold of as part of an ongoing investigation.