Macedonia Millennium Follis

Where to put it? Macedonia? - No Gots! Coin on Coin project or Millennium project? I know - Greece and the projects. I'm not sure why Macedonia decided to depict the 40 Nummia ['M'], as far as I know it has nothing to do with the Millennium. The Byzantine coin depicted on the obverse is from Justin, and is regnally dated as '5' and is minted in NIKO [Nicomedia]. Justinian I 40 Nummia (Follis) began regnally dating coin with the date XII. The reverse shows an ornamental cross of the Byzantine or Greek orthodox variety. You can see an original in the Moneta Museum.