2017,KM-356 Country Germany – Federal Republic (Germany) Year 2017 Value 2 Euro Metal Bi-Metallic Nickel-brass clad Nickel center in Copper-nickel ring Weight 8.5 g Diameter 25.75 mm Commemorative issue State of Rhineland-Palatinate Obverse The design shows the Porta Nigra in Trier which is probably the best-preserved Roman city gate north of the Alps. The inner part also features the name ‘R ...