1965 Dodge Dart Charger

I used a grinder I think it's called, to get rid of the rivets holding the ash tray to the front cover. After glass beading it looks new. But where to get the rivets......!

The holder for the turn signal relay on the backside of the ash tray seems to have been black from the beginning. But was is the greenish stuff on it? To me it looks like some kind of glue! Any input?

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