Police Scotland are appealing for witnesses following a robbery at the Co-op, Oakbank Road, Perth at 2130 Sunday 26th of October 2014.
The male responsible brandished a knife at the shop assistant and made off with a sum of cash.
The male is described has being about 6ft, medium build wearing a dark grey or blue hooded top underneath a dark coloured top, light blue faded jeans, dirty white shoes and a red handkerchief which covered his face.
Anyone who has any information is asked to contact Police Scotland on 101 or, alternatively, phone the charity Crimestoppers anonymously on 0800 555 111.