Royal Mint of the public in the form of bars or coins. Historically the mint has refined its own metal, however under the advice of an 1848 Royal Commission the process was separated with the independent "Royal Mint Refinery" being purchased and operated by Anthony de Rothschild in 1852. The Rothschild family continued the refinery's management until it was sold to Engelhard in 1967, a year later the Royal Mint relocated to Wales and ceased their bullion bar interests until reviving the brand in 2015. Bullion bars produced by the mint are stamped with the original Royal Mint Refinery emblem and come
Royal Mint modern production methods, it is unlikely that coins would not conform, although this has been a problem in the past as it would have been tempting for the Master of the Mint to steal precious metals. The term "Pyx" refers to the boxwood chest (in Greek, πυξίς, "pyxis") in which coins were placed for presentation to the jury. There is also a Pyx Chapel (or Pyx Chamber) in Westminster Abbey, which was once used for secure storage of the Pyx and related articles. Coins to be tested are drawn from the regular production of The Royal Mint. The Deputy Master