Antique drop hammer at a forge in Ybbsitz, Austria. 1:42 video.
https://www.youtube.com/watch?v=OVmF6Nsf77Q
Previously:
https://www.homemadetools.net/forum/...653#post174461
https://www.homemadetools.net/forum/...995#post160505
https://www.homemadetools.net/forum/...558#post178079
https://www.homemadetools.net/forum/...610#post143324
https://www.homemadetools.net/forum/...462#post158549