Originally Posted by Drillium Dude

I'm guessing later than 1972 simply because of the BB shell clover (early-80s type) and decal set (late-70s/early 80s).

Is that chainstay actually chromed or is it a foil decal?

That's a beautifully-preserved example and you have the right idea: clean it up but don't change a thing

Congrats!

DD