Demi-cannon, 24-pounder by Johann Jacobi (1661-1726); birthday present from Crown Prince Friedrich Wilhelm (1688-1740) to his father King Friedrich I (1657-1713) in Prussia.
<a href="//commons.wikimedia.org/wiki/User:JoJan" title="User:JoJan">JoJan</a>
CC BY 3.0
<span class="int-own-work">Self-photographed</span>