Antique Indented Star Rustic Brass Medallion  Architectural Salvage CottageCore
3 1/2" Tall x 2 3/4" diameter.  
This is Architectural Salvage pure CottageCore with a rustic feel
Vintage item with loads of Patina and history.  
The brass was salvaged from an old English pub's fireplace hearth hence the hole drilled in the center for mounting to the wood .  Great for re-purposing.