RIPP:

Thanks for posting.

Hard to date that one, though the chain is an older style that was used for years.

Check these out below. You can see the newer style chain:

http://www.nwtrappers.com/catalog/traps/leghold/ovls.asp

What's the width of the jaws when open?

I just lost one the other day. Nope, it ain't yours, it was a Victor Double Coil Spring!