Jurassic Fossil Ammonite Polished Cabochon Promicroceras Marstonense

Ammonite cabochon  sp Promicroceras Marstonense . Polished on both sides.Also known as Marston Magna  marble, as quarried previously for it as decorative marble.Supplied with a small laminated card and in a gold coloured organza gift bag.
Date: Jurassic , Sinemurian
Provenance: Yeovil, Somerset
Size 3.6 x 2.7 depth 0.4 cm  9 gm 
Condition: There is good clear detail. code 8587