Tayside Police is investigating a break-in to the Mountains Animal Sanctuary, Glen Ogil by Kirriemuir sometime between 9.30 p.m., on Sunday, December 9 and 7.15 a.m., on Monday, December 10.
A wooden carving of a horse which measures approximately three and half feet was stolen.
The carving took centre stage in the visitor centre and was used every year to commemorate the six million horses that perished during the First World War.
Thieves made off with a quantity of money, along with goods and Festive merchandise from the visitor centre.
Anyone with any information that may be useful should contact Tayside Police on 0300 111 2222, or any police officer. Alternatively information can be passed anonymously via the charity Crimestoppers on 0800 555 111.