I tried to draw some coins for my setting. The Empire's constituent polities use a standardized system of currency, but the designs of the coins are left mostly to the local rulers' approval.

I waffled a lot about the format of the Arcturus and Regulus' titles, and the three people who gave me Latin advice all said different things. A lot of the Medieval coins I looked at went with "[name] REX [kingdom]", so just I went with that format. I also wanted to inscribe Regulus' coin in his local tongue, but "Regulus, Rei de Arelat, Annada I" left too much empty space on the coin.

For Knut's coin, I wrote in Medieval Futhork, "Knútr Nennorstaðurkjárr" and "12 Arit", using pentadic numerals. Pentadic numerals were modern period, but I had to use something for the regnal year. I also don't know anything about Old Norse grammar though, so I'm not very confident about it.

For Harun's coin, I tried to write in Arabic "Al-Sultan al-Jazirat Hārūn al-Ṭa'ir ibn Yaḥyā al-Mirzam wa Mūsā al-Dabarān", and what Google Translate told me for "seventh year". I watched a few videos on how to write in Arabic for this, and I hope it's at least somewhat readable.

For the Emperor's coin, I tried to make something inspired by the titles of Roman Emperors, "IMP(ERATOR) AVG(VSTVS) HELIOS CANOPI ET POLARI F(ILIVS)" ("The August Emperor Helios, Son of Canopus and Polaris"). I played around with other name formats, like "IMP AVG HELIOS CANOPOU POLARIOU" an "IMP AVG HELIOS CANOPIANVS POLARIANVS", but I went with the one I did because it felt more 'traditionally Roman', if that makes sense. The "et" still feels a bit weird and out of place.

Most of the coins follow the Roman style of featuring the current rulers' portraits. I got the idea of representing their regnal years from this coin of Justinian I, which I found is quite rare for coins. Knutr faces to the left instead of right because most of the Medieval Scandinavian coins I looked at were like that. Most Medieval Islamic coins didn't have portraits because of aniconism, but apparently some early ones had them, mimicking the Sasanian style after the conquests of Persia.

For the top silver coin, I looked at this website listing Latin inscriptions on Roman coins. I chose "PROVIDENTIA DEORVM" ("Providence of the Gods") and "SAECVLI FELICITAS" ("Happy Age"). The bottom silver coin's inscription is mostly of my own making, "BRISAEUS LYSIUS, PATER REGNI NOSTRI" ("Briseus the Releasing, Father of Our Kingdom"). Briseus is the empire's god of wine and the patron deity of Regulus' kingdom.

Any informed advice regarding the inscriptions is welcome, as these are all languages I do not know. [2025/01/10]