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.
Pan American issuec. en Postage stamp Pan American issue of green black Post Officebr Photo obtained from eBay by Gwillhickersbr eBay item Post Office PDUSGov Steamboats on stamps stamps Stamps of the United States Green stamps Ships on stamps
Page 2023 Free-images.com. All images are Public Domain