Two headed eagle, forward facing with wings spread, and a tilted city shield below it, all inside a quadrilobe with trefoils in the external angles
Obverse script
Latin (uncial)
Obverse lettering
+ mOnETA: nOVA: GROnInGEenSIS
(punctuation by double stars) (Translation: New coinage of Groningen)
Reverse description
Long cross pattee with six-pointed star in each corner, intersecting both legends
Reverse script
Latin (uncial)
Reverse lettering
(Interior): A`nO DnI` m:CC CCLV
(Exterior, starting about 1:30): SIT nOmEn DOmInI BEnEDI CTV:
(both legends punctuated by double stars) (Translation: Year of the Lord 1455 Blessed be the name of the Lord)