More What's My Line?

I'm rushing out for a while, so I wanted to post something quickly first.  This is a charming Mystery Guest appearance on What's My Line? with Muhammad Ali.  I think it must have come not terribly long after he changed his name from Cassius Clay.

What's particularly fun is that though he's very famous at this point, he's not really yet "iconic," so there's the early playfulness that was so much a part of his career, particularly at the beginning.