Public domain photos

The image shows an old book with a gold seal on it, set against a white background. On the right side of the image, there is a scale with different colors, and on the cover of the book there is some text.

The image shows an old book with a gold seal on it, set against a white background. On the right side of the image, there is a scale with different colors, and on the cover of the book there is some text.Open in library