Thieves stole lettering from a shop sign above a Thetford travel agents.
The incident took place at Travel Care in King Street sometime between 5.30pm on Friday March 28 and 8.30am on Monday March 31.
Between such times the thieves stole the lettering from the shop sign above the front window.
Officers would like to hear from anyone who may have spotted any suspicious behaviour in the area.
Anyone with information in relation to the incident should phone PC Andy Menarry at Norfolk police on 101 or Crimestoppers anonymously on 0800 555111.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here