numismatic significance

URI: https://gptkb.org/prop/numismatic_significance
3 triples
GPTKB property
Random triples
Subject Object
gptkb:Columbian_Exposition_half_dollar first commemorative coin issued by the U.S.
gptkb:1822_Half_Eagle one of the rarest U.S. coins
gptkb:1955_doubled_die one of the most famous U.S. coin errors