What happened to all the Star Trek hair? Shatner didn't take all of it home, did he?

A 1968 memo from Paramount producer Robert Justman to Star Trek creator Gene Roddenberry reports on the sad state of the show's hairpieces, which had gone missing in great number.

William Shatner apparently took home "all four" of his rugs, something he made a habit of (and he was renowned for his ill-use of his hairpieces to boot), but what happened to Nichelle Nichols' wig?

Hair Today, Gone Tomorrow!
[Peggy Alexander/UCLA Library Special Collections Blog]

(via Gameraboy)