This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Cardial Impression . Cermica cardial neolticaDecoracin impresa con una concha de molusco berberecho Cardium pottery of Neolithic Printed decoraton with mollusk shell cockle Josep Corominas Prehistoria de Montserrat Barcelona Josep Corominas PDold Image Cardial Impression Image Cardial Impression Image Cardial Impression