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:
DrsMayoStamp. United States Postal Service postage stamp depicting Charles Horace Mayo and William James Mayo It was designed after bronze statue of the Mayo brothers by James Earle Fraser Stamp was created prior to and is therefore public domain PDUSGov Groups of people on stamps stamps of the United States Charles Horace Mayo