This one looks like the Italian Order of the Crown in some respects, but beyond that I have no idea. Austrian?

This is a large neck order with heavy enameling. Obverse seems to have the Roman Crown device, but the reverse has a divided shield with a rampant lion surmounted by 3 stars at the left and a diagonal bar at the right. Have a nagging thought that there might be some Austrian influenece here. Any ideas?

Reverse

Looks like the arms of the reverse are from the City of Potenza in Southern Italy? I can't see the image of the arms very well on the medal.