The Anglo American Tools line of unique letter and number stamps, manufactured by Turnus, produces alphanumeric letter and number stamps in different degrees of hardness and many different sizes, including digits 0-9, upper and lower case letters, the Greek alphabet and a variety of specialty symbols. The stamps are used for handheld, hammer struck applications and have crowned striking surfaces to ensure full striking force to the center of the stamp, with textured shanks to provide an easy grip.