No I'm not. My speculations based on the following.

Jewish factions have been ruled out several times, but Yehud was a pre-Alexander Persian client-kingdom.

Yehud also inclded Samaritans, so Yehud was not Jewish State, but multinational State in this case.

The desertish background color make me think of some Arabian or Jewish faction, but Nabatu was rejected. The white things remind me feathers of the Egyptian falcon from Yehud coin.

And no one expects this kind of let's say Semitic faction