Rank insignia of the Soviet Union/Russian Federation (1955-1994) and since 2010, here Navy "Captain Navy" (OF5) – shoulder strap dress uniform.
<a href="//commons.wikimedia.org/wiki/User:F_l_a_n_k_e_r" title="User:F l a n k e r">F l a n k e r</a>
CC BY 3.0
various images of the real thing