This Imperial German coin represents the 4th denomination coin of the Goldmark (1883). The observe features a large "10', it's wrap-around text reads "Imperial German *1900* Pfennig". The reverse depicts the Reichsadler, the symbol of Imperial Germany.
The coin is a smooth-edged design made of a copper-nickel alloy and weighs 4 g. Its dimensions are 21 mm (0.83 in) wide and 1.35 mm (0.053) in thick. Making it slightly larger in size than a US Penny (19.05/0.75 in), in that respect.