Roman stamped ID tag or mark
A signaculum is a general Latin term for a seal or sign produced by a stamp or signet ring,[1] used in modern scholarship in particular reference to Roman lead pipe inscriptions, brick stamps, bread stamps,[2] and the lead "dog tag" of Roman soldiers.
- ^ Oxford Latin Dictionary, s.v. signaculum, p. 1757.
- ^ Annick Payne, "Bread Matters: Of Loaves and Stamps," Historische Sprachforschung / Historical Linguistics 130 (2017), pp. 73-89.