Abstract: The invention relates to a stamp (1) comprising a first housing part (3) with a second housing part (4) which can be pivoted relative to the first housing part (3) and with a stamp plate (5) which can be pivoted about an axis (13) disposed in a first end region (12) of the first housing part (3) from a non-operating position into an operating position (10), which stamp plate (5) is disposed between the first housing part (3) and the second housing part (4) in the non-operating position, and when the first housing part (3) is in the operating position (10), the second housing part (4) and the stamp plate (5) form what is approximately a triangle. The second housing part (4) has a guide track (25) locating with the stamp plate (5) and a cam track (18) is disposed on the stamp plate (5) which locates with or can be moved to locate with an operating element (6).