S snoman701 Well-known member Joined Oct 8, 2016 Messages 2,108 Location SE MI Aug 3, 2017 #1 I've seen these in pictures, but never in person.
E eastky2 Active member Joined Nov 23, 2016 Messages 29 Aug 3, 2017 #4 Check collector value first. The leads are most likely gold plated between the 2 ceramic pieces.