These teeth of Ichthyosaur were found in the lower jurassic layers (Lias epsilon) of Holzmaden in Germany. The age of these fossils about 180 million years.
The stone is unbroken and measures about 5,5 x 5 x 2 cm. It contains four teeth and in addition it shows at the saw edge an interesting view into the interior of two other teeth.
Nicely prepped piece of classic and world famous location.