.22 LR cartrige
<a href="//commons.wikimedia.org/wiki/User:Roo72" title="User:Roo72">Roo72</a>
1 January 2002 (according to <a href="https://en.wikipedia.org/wiki/Exchangeable_image_file_format" class="extiw" title="en:Exchangeable image file format">Exif</a> data)
from en wiki <a class="external free" href="https://en.wikipedia.org/wiki/Image:22lr.jpg">http://en.wikipedia.org/wiki/Image:22lr.jpg</a>