Not that I'm a huge pin collector; but I saw mention of these K2 pins in a post on the Elecraft reflector. They were available at Dayton. If you weren't at Dayton, like me, you can order them from: http://www.dxcoins.com/
They also have a cool pin of a straight key with the words,"know code" underneath the key in Morse Code.
73 de Larry W2LJ