..."contemporary unofficial issue"...
That there's a euphemism for "circulating counterfeit". Made by, and for, folks who couldn't read Latin. Probably the Germanic frontier barbarians, or possibly the Greek-speakers in the eastern half or the Empire.
To answer the OP's question: By my reading, the legends are:
Some of those "H"s might be "N", or backwards-"N". Or a really badly done "A".
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis