Photographs have today (Wednesday) been released showing some of the items stolen from a property in East Farndon on the county border with Market Harborough.
Officers would like to hear from anyone who knows anything about this burglary or has been offered any of the items shown in the photos.
The burglary took place in Back Lane, East Farndon, between 1pm on June 17 and 12.15am on June 20.
Stolen items included silver (circled in red in the photograph), jewellery and money.
Anyone with information can call Northamptonshire Police on 101 or Crimestoppers anonymously on 0800 111555.