Now you just have to fight the compulsion (or get them, get them, precious) to complete the set. I love these silver jubilee covers, my favorite paperback covers for this series. I don't have them all, but found this picture posted by some lucky redditor.

The Avett Brothers

Just hadn't seen this on the thread yet:

art credit: findchaffy.com

I confess that's where mine went to first, also.