This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Christopher Columbians Issue c. US Postage stamp Colmbian issue of US Post Office Hires scan of US postage stamp from private collection US Post Office US Postage ChristopherColumbiansIssuec History of the United States Postage stamps and postal history of the United States Christopher Columbus PDUSGov Columbian Exposition Issue