The bronzing on POTF coins was considered a test run for the Ewoks line of coins.  There are 14 known coins that were bronzed in this test batch: Anakin Skywalker, Barada, Chief Chirpa, Darth Vader, Han Carbonite, Imperial Dignitary, Imperial Gunner, Lando General, Lando Calrissian (original), Luke Stormtrooper, Obi-Wan Kenobi, Romba, Stormtrooper, and the Jedi Knight coin.