360 Harmonic balancer

Still not going to dig around in my shed yet not at home, but I did manage to find a partial picture of my 318 balancer (if that counts? Out of a cop car) and you can definitely see timing marks on it and degrees Marks. I may have thrown this particular piece of junk away because of what it did to my timing chain cover...
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I have never seen that before. New one on me. So you actually had 2 dampers that were factory degreed, or just the one you junked? If it was a regular deal it had to be after 1974 or so. I don't think my 1989 has a degreed damper.