21.6k Gold 20 Marks German State Prussian Wilhelm 1877 Coin Pendant

20 Marks German State Prussian Wilhelm 1877 gold coin pendant with 14k yellow gold bezel. ID#: PEN298 Coin:  Obverse: Bust of Wilhelm I, Latin lettering Reverse: Crowned Imperial Eagle, Latin lettering Mint: 'A': Berlin, Germany (1280 - date) King: William I (Wilhelm I) (1861-1888) Type: Standard circulation coin Years: 1874 - 1888 Value: 20 Mark Currency: Mark Composition: 0.900 Gold  Coin Weight: 7.965g Diameter: 22 mm
Frame: 14k yellow gold Frame Weight: 1.12g Total Weight: 9.09g Length including bail: 1 1/4 inch