Here is a picture of the  Stegosaurus dinosaur stamp. It was issued in 1965 by the small republic of San Marino (located on the Italian p...

These pictures show a Tetragraptus fruticosus fossil specimen housed in a display case at the Geologia building located on the campus of...

Here is a picture of the Thaumatosaurus victor  marine reptile stamp. It was issued in 1965 by the small republic of San Marino (located ...