Arnioceras semicostatum. One piece of rock split into 4 pieces. Top piece has been repaired. There are 6 surfaces with ammonites, largest ammonite 3.5cm. Could be further prepared or interesting as it is. Weight 5.9kg. Postage included for mainland UK customers.
Age: 175 million
Size: Approx. rock 20x 20 x 9.5cm at max point.
Location: Holderness Coast, Yorkshire, UK