Burglars stole a commando dagger and a military Afghanistan campaign medal after breaking into a home in Northampton.
The house - in Hood Street, The Mounts - and was burgled on Wednesday, August 24 between 8am and 7pm.
The burglars forced entry through patio doors at the back of the property and conducted a search inside. As well as the medal and dagger, they took a brass optic telescope, a silver Navitimer wristwatch and a silver Aviator wristwatch.
Northamptonshire Police said they would like to speak to anyone who may have been offered any of the stolen items for sale.
Witnesses or anyone with information about this incident can contact police on 101 or Crimestoppers anonymously on 0800 555 111.