one euro denomination circulation coin

eyben metal center der one weight royal brass diameter koningin family close coin banking currency macro plated ring union smooth background bank reeded circulation reverse star business van euro minted obverse composition bruno nickel netherlands side nederlanden thickness money european finance isolated object beatrix scratched ninaber former metallic bimetallic shape round copper time detail shadow denomination coin 2001 netherlands eu bi-metallic: copper-nickel nickel-brass ring 7 5 23 25 2 33 mm