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:
John Greenleaf Whittier Issuec. John Greenleaf Whittier Issue US Post Office Gwillhickers Image obtained from hires scan of US Postage stamp from personal collection Image rendered to correct color tone and to adjust size and sharpness US Post Office JohnGreenleafWhittierIssuec Famous Americans Issues John Greenleaf Whittier