Dorset coast ammonite with calsite chambers showing on the top. Mounted on a reclaimed wood base but can be removed and handled. Lovely example from Lyme Regis.
Found and prepped by us at Fossilbox.
 
Approximate total display size 
11.5 cm wide
10.5 cm high
9.5 cm deep
 
Approximate ammonite size 4.5 cm