The spelling on the coin is of a rather common kind. In engraving the
intaglio die, the engraver simply accidentally reverses the sequence of the nu and the alpha.
The nu added to the
stem of a word, 'thesaurorum' is more complex. First, it involves translating a slightly fancy Greek word into Latin, then carving the Latin (the language less common in
Philippopolis, and a later arrival than Greek among those Thracians) in a monumental
inscription, where it is easier to imagine that the carver knew
his craft better than
his languages. The Greek would be
(or
)
.
I guess that, unlike Fausteian for Fausteina, this error is a unique occurrence.
Pat L.
I attach Herakles' replacements, AD 2000.