This fossil was found in the middle triassic layers (Muschelkalk) of Würzburg, Germany. It is a "bonebed" stone with a unidentified jaw of a fish (?Saurychtis).
Clearly visible are the alveoles and one/two teeth.
The Jaw measures about 53 mm. The matrix is original and unbroken. It measures about 8 x 8 cm.
No manipulations at all.