This fossil was displayed on August 2022, at the Harvard Museum of Natural History 
in Cambridge, Massachusetts, USA. This fish fossil is called 
Leptolepis dubius 
 (Blainville, 1818).  Fish lived during the Jurassic Period (Kimmeridgian Stage). Fossil was found Solnhofen Limestone Formation of Bavaria, Germany. Catalog number is MCZ7090.
https://mczbase.mcz.harvard.edu/guid/MCZ:VP:VPF-7090