1800s musket ball mold.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...d_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net..._ball_mold.jpg
Previously:
https://www.homemadetools.net/forum/...894#post186991
https://www.homemadetools.net/forum/...765#post140113
https://www.homemadetools.net/forum/...107#post125853
https://www.homemadetools.net/forum/...354#post150620
https://www.homemadetools.net/forum/...399#post177430
