I was at a toy show in San Jose, CA about 3 years ago, and Cindy Williams (aka Shirley Feeney from Laverne & Shirley) made an appearance. I went up to ask her table to ask her for a photo and an autograph. I mistakenly said "Hello, I am so happy you're here today! I would like to get photo...
I just today received this little purchase from eBay (see below). It's the exact same "brand" finger pin used in Mork & Mindy on Robin Williams' suspenders. It looks like the pins were not custom made, but were indeed just off the shelf. It was ironically framed in a box, and had a label on...
I got mine here:
http://www.myjumpsuit.com/basicpoplin.html
There are other options on the site as well. They actually offer a red one as an MST3k (Joel) costume!
The patches are simply iron-ons I created in Photoshop.