The Muneris Aureus Dev Ex is a gift accessory that was published in the catalog by ROBLOX on December 12, 2013. It was given to developers who cashed out using Developer Exchange. It was also purchaseable for 50,000 Robux, only 152 in quantity were sold before it went offsale. It opened to reveal the Dominus Aureus. As of November 21, 2018, it has been favorited 605 times.
- "Muneris Aureus" translated from Latin to English reads "Golden office."