Public domain photos

The image shows an old envelope with a stamp on it, which is an old German postcard with a 5c green and black color scheme. The postcard has some text written on it and two stamps on the top right side.

The image shows an old envelope with a stamp on it, which is an old German postcard with a 5c green and black color scheme. The postcard has some text written on it and two stamps on the top right side.Open in library