United States of AmericaLincoln 1 Cent Series美利堅合眾國林肯一美分系列United States of AmericaLincoln 1 Cent美利堅合眾國林肯一美分AD 1961Provenance: Da Chen Stamps and Coins Collection 2014United States of AmericaLincoln 1 Cent美利堅合眾國林肯一美分AD 1968Provenance: Da Chen Stamps and Coins Collection 2014