I’ll admit the pics could have benefitted from a banana in them, for scale. The Marin rear dropout from the other listing is classic “let’s clear this crap out the shed/garage” territory.
I recently bought a chainring from Rami. This was perfect condition and just as described.
To echo the first feedback post on this thread….
”Super helpful guy and a credit to Retrobike” it (chain) rings true ;-)