Tetradrachm - Phraates V and Musa

Phraates V came to power after his mother Musa — a Roman-born slave gifted to Phraates IV by Augustus — allegedly poisoned his father and married her own son. The union was scandalous enough that Parthian nobles eventually drove both from the throne, forcing them to flee to Roman Syria around 4 AD. Their joint coinage is accordingly brief and rare, produced during perhaps three years of contested rule.

The Shore 323 attribution places this among the later issues of the type, struck as dynastic opposition was already mounting.