What is it? Gron En Ommel

Coulport

Looked a bit in Krause. Checked eBay. No luck.
Copper 22 mm.
Obv - Gron En Ommel 1771
Rev - Crown over shield of arms.
Austria maybe? Two headed eagle in 2 quadrants of shield.

Sorry, don't do pictures.

Any help?

DCH

Netherlands - Groningen and Ommeland.

Coulport

Excellent! And there it is.

Thanks