I kind of laughed when we were asked about these but went out & found them anyway. We found the old 80's style key rings. I do not have many but once I put them in my hand it was like being back in the 80's. So if your restoring your car back to period correct you now have the key chain that would be appropriate.
Price is $7.95
Shipping is $5.15 USPS Flat Rate if ordered by itself.