The vintage 8S on the left was something I found with my late father in an autojumble in Eastbourne over forty years ago, I think we bought several along with a mica bodied plug. The 7 COM on the right was a new plug then, we had it for a Petter M type two-stroke. The longer body/insulator was, I think, intended for running with TVO. Both could use stripping and cleaning, but they were fine when last used.
I guess you'd like them both, complete with terminal screws and the HT lead end?
A.
