Celtic, Rhine Valley Area. Circa 1st Century BC. AV Scyphate quarter stater, 1.86 g. Regenbogenschüsselchen. 

Circular raised area, eye, nose and lips around the rim.
Cross-shaped star within concave incuse. 

De la Tour 9454; Dembski 464. 

With permission of Hess-Divo AG auction 335, Lot 74, Dec. 2018.
Estimate: 1000 CHF.