German bronze hammer from the 16th century.

Fullsize image: https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg



Previously:

17th century Italian shingling hammer - photo
Four-sided hammer - GIF
Long-handled hammer for checking electrical poles before climbing - photo
Armorer's hammer - video
Bookbinder's hammer - photo
Hand engraving a hammer - GIF