It's not a strictly "Herodian
, as most of them are without ornamentation
, and have a different spout shape (see attached image).
I did a quick scan through "Oil Lamps
of the Holy Land
- The Adler Collection
" and didn't find an exact match.
But the overall body style
and somewhat elongated rounded spout are reminiscent of what in the book are classified as "Hellenistic" style