Picked up a chain at the used shop yesterday that was extremely light...but have never seen anything like it before. 108 links, hope it will work for me. I was hoping someone might be able to help with an ID. The links have two lightening holes in the outside plates and each one has a "C" around it, something like this:



I forgot to send myself the pic I took last night to post, grrr, but maybe this will be enough for someone.

Ideas?