1514 Japanese kusarigama or chain and sickle.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...k_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...ma_warpick.jpg
Previously:
https://www.homemadetools.net/forum/...998#post164505
https://www.homemadetools.net/forum/...473#post122635
https://www.homemadetools.net/forum/...171#post126210
