Police are appealing for information after a theft described as "sneak-in" occurred at a house in the Bremners Walk area of Wick.
Constable Arizona Morence said that the incident is believed to have taken place between 11pm on Sunday, July 8, and 12pm on Monday, June 9.
"A sum of cash worth a mid-three figure sum was stolen from within the property in the incident."
Anyone who believes they saw someone acting suspiciously around the area should get in touch with police.
"We would also urge people to make sure they keep their property as secure as possible at all times to deter thieves," added Constable Morence.
"You can contact police in Wick by calling 101, quoting incident NJ2016/18, or call crimestoppers on 0800 555 111."