First, it is clearly a
cast. Note how the
reverse is not
sharp but rounded and unclear, indicative of a
cast, while the originals were struck are have nice,
sharp edges to the figure and lettering. Second, if you look at the edge, you can probably see signs of the point where the two edges of the mold were joined and where the metal was poured in. Third, since it was covered with "gunk" and sold for a
low price, it is almost certainly NOT gold. Gold does not tarnish or corrode, brass does--and guy in
Athens who sell
fake coins to tourists just do not miss gold! The are a
sharp as a razor about gold!