Province Bithynia-Pontus
City Caesarea Germanica 
Region Bithynia
Reign Severus Alexander
Obverse inscription Μ ΑΥΡ ⳞΕΥΗ ΑΛΕΖΑΝΔΡΟⳞ ΑΥΓ
Obverse design laureate head of Severus Alexander, r.
Reverse inscription ΚΑΙϹΑΡΕΙΑⳞ ΓΕΡΜΑΝΙΚΗⳞ
Reverse design Demeter standing facing, looking l., holding long torch and ears of corn

 

Museum British Museum, London (UK)
Inventory no. 1979,0101.1284
Reference vA 480
Diameter 28
Weight 11.99
Axis 2
External URI of the coin https://www.britishmuseum.org/collection/object/C_1979-0101-1284 
Note obv. legend: -ΓPΡΜΑΝΙΚΗⳞ (sic)