It's a replica of this:
https://en.chnmuseum.cn/collections_577/collection_highlights_608/ancient_currencies_613/201911/t201...
"There are only two and a half such items that have survived and been handed down: one, this complete piece shown here; one which is broken and another which has only the top part."
Another replica here (on the right of the photo):
https://www.coincommunity.com/forum/topic.asp?TOPIC_ID=132690
