Cosmonauts Alexey Leonov (left) and Valeriy Kubasov.
NASA
1974-04-25
<a rel="nofollow" class="external text" href="https://archive.org/details/S74-20823">NASA Images at the Internet Archive</a> (<a rel="nofollow" class="external text" href="https://archive.org/download/S74-20823/S74-20823.tif">image link</a>)