https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8845417![Confederate Cover with U. S. Postal Issue Used After Secession](https://images.rawpixel.com/image_social_landscape/cHJpdmF0ZS9zdGF0aWMvZmlsZXMvd2Vic2l0ZS8yMDIyLTExL3NtaXRoc25ucG0xOTg0MDUzMTY3Ny1pbWFnZS5qcGc.jpg)
![Confederate Cover with U. S. Postal Issue Used After Secession](https://images.rawpixel.com/image_social_landscape/cHJpdmF0ZS9zdGF0aWMvZmlsZXMvd2Vic2l0ZS8yMDIyLTExL3NtaXRoc25ucG0xOTg0MDUzMTY3Ny1pbWFnZS5qcGc.jpg)
Confederate Cover with U. S. Postal Issue Used After Secession
Confederate Cover with U. S. Postal Issue Used After Secession
Original public domain image from Smithsonian
Public DomainFree CC0 image for Personal and Business use