Tiny polished half ammonite, Madagascar
A tiny pale sand coloured fossil ammonite, cut and polished to show its internal chambers, mounted on a brass stand. It is so thin that it is translucent if you put a light behind it. This ammonite is from Madagascar. This one will work in 1:12 or 1:24 settings.
7/16 inch (1.1 cm) wide, 1/4 inch (0.6 cm) deep and 1/2 inch (1.3 cm) tall.