A well used Ricoh KR10, which came to me with a broken mechanism, lifeless electronics and a  bunch of surface rust. The lens is in fairly good condition though minus thirty years of dirt.
<a href="//commons.wikimedia.org/wiki/User:Solarence" title="User:Solarence">Solarence</a>
<span class="int-own-work" lang="en">Own work</span>