A German gunpowder flask from the 1580s.
https://diqn32j8nouaz.cloudfront.net...wder_flask.jpg
Previously:
https://www.homemadetools.net/forum/...407#post122170
https://www.homemadetools.net/forum/...107#post125853
https://www.homemadetools.net/forum/...389#post158331
https://www.homemadetools.net/forum/...545#post162583
