Older(?) Chinese Carved Walnut shell with carved seed pod on wooden stand

Carved walnut shell with buddhas and dragon motif. Inside carved "seed pod", on a wooden base, has buddha holding what looks like a bat. Walnut shell in perfect condition, inside seed pod has age crack and looks like the it may have been stained to match base and is now coming off due to taking the shell off.
Saw something similar on Antiques Roadshow without base.