Burglars broke into two neighbouring houses in Northamptonshire.
The first house, in Foscotte near Towcester, was broken into sometime between 9.30am and 2.30pm on Wednesday, August 26 afetr burglars kicked in the back door.
They then stole a number of items, including a spare key for next door.
Using the key, they then broke into the neighbouring property and took more items, including a tablet computer, mobile phones, jewellery and a Krugerand coin from South Africa.
Witnesses, or anyone who knows anything about this incident, can call Northamptonshire Police on 101.
Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111 or use the anonymous online form at www.crimestoppers-uk.org