The octassarion was a bronze denomination worth 8 asses - assarion in Greek. 
It was commonly struck by Roman Provincial mints, and was not struck to a standard weight but rather to some local standard. It was simply a coin worth 8 of the local basic coin denomination.
It was commonly struck by Roman Provincial mints, and was not struck to a standard weight but rather to some local standard. It was simply a coin worth 8 of the local basic coin denomination.

 
                
                
                    
                        An
                        AE
                                        Octassarion
                                    
                        struck                             251-253 AD
 in
                                        Antioch
                                    
                    
                
                
                
                                Obverse: Laureate, draped and cuirassed bust of Trebonianus Gallus right from behind confronting radiate, draped and cuirassed bust of Volusian left; AΥTOK K Γ OYIB TΡEB ΓAΛΛOΣ CAI OΥOΛOΥCIA_NOC CEB·
                            
                            
                                Reverse: Facing, seated statue of Tyche in tetrastyle temple with arched central bay; ram right, above; river-god swimming right, below; ANTIOXEΩN__ MHTΡO KOΛΩN / Δ_E / S C
                            
                            
                            Diameter: 
                                29 mm
                            
Die Orientation: -
Weight: 16 g
                            
                        
                        
                        Die Orientation: -
Weight: 16 g
No notes for this coin
                        
                                BMC Galatia 656 var. (obverse legend); Waage 711; McAlee 1184
                        
                    