A thief stole cash from an Age UK drop-in centre in Northamptonshire after he smashed a window and broke in.
The burglary happened in School Lane, Kettering, at about 7am on Friday.
A white man dressed in dark clothing, aged about 35, five foot six inches tall and of thin build was seen acting suspiciously near the scene at the time of the burglary. He had a shaved head and was pale, with a gaunt appearance.
Police would like to speak to anyone who may have witnessed this incident or have any information regarding it.
Witnesses or anyone with information is asked to contact police on 101 or Crimestoppers anonymously on 0800 111 555.