Home ▸ Catalog ▸ |Themes & Provenance| ▸ |Numismatics| ▸ |Coded||View Options: ![]() ![]() Some Roman antoniniani offer a unique and very interesting collecting focus - the embedded "secret" codeword series of Probus, Diocletian, and Maximian. Each of these coins was struck with the letters of a codeword "hidden" within the mintmark. Each officina (mint workshop) was assigned part of a codeword. When all the types from a codeword series are assembled in officina order, the embedded letters spell out the "secret" codeword: AEQVITI (for Probus at Rome), AEQVIT and later EQVITI (for Probus at Ticinum), IOBI (for Diocletian at Siscia), and HPKOYΛI (for Maximian at Siscia). The following articles in NumisWiki discuss these hidden codewords: |