The puck (located in the Hockey Hall of Fame) used by Maurice "Rocket" Richard to score his 500th career NHL goal on October 19, 1957. Richard became the first player in NHL history to record 500 career goals.
<a href="//commons.wikimedia.org/wiki/User:Vujcic" title="User:Vujcic">Djuradj Vujcic</a>
CC BY 2.0
<span class="int-own-work" lang="en">Own work</span>