21 cm Multi ammonite bed with Caenisites and others, from Charmouth beach

A striking piece filled with lots of Caenisites, Microderoceras, Promicroceras and Cymbites ammonites. Measuring 21 cm across it's widest part including the matrix. 
The nodule has been sanded and polished - with the border being hand carved. 
 
No repairs or restoration, 
The piece originates from the popcorn stone.
 
Lower Sinemurian, Black Ven Mudstone Member, Charmouth Mudstone Formation, Charmouth, Dorset. 195 MYA