However, despite the recall, a few aluminum cents were not returned to the Mint, and those coins may remain at large. One example was donated to the Smithsonian Institution, while another was alleged to have been found by United States Capitol Police Officer Albert P. Toven.
In other words, despite the efforts to collect them, some aluminum cents were not returned and may still be in circulation today. For instance, one of these coins ended up at the Smithsonian Institution, while another was allegedly discovered by a U.S. Capitol Police Officer named Albert P. Toven.