Public domain photos

The image shows a ruler with a piece of paper next to it on a black surface. On the paper there is text and a barcode, and on the paper is an object, which appears to be a skull of a hipposid.

The image shows a ruler with a piece of paper next to it on a black surface. On the paper there is text and a barcode, and on the paper is an object, which appears to be a skull of a hipposid.Open in library