"Would only add that the round depressions around the two spots on the top bracket are not typical but a result of the worker assembling the relay having the pressure higher than normal. When this happens the round depression that is designed to hold the plastic case slightly away from the bracket gets punched out rather than formed as designed. The is a design feature you can see on relays from back into the early 60's
Do have a few examples of ones like what is shown that are original, so don't discount them for that detail, but IMHO don't use that as a detail that must be there. Still find a fair number of used ones in yards.
Thanks for posting"
I think my point of posting was just to show some details of the originals. I have seen some on ebay in the Autolite box that had no breathers, no date codes, clear zinc terminals, not even close stamp fonts, wrong rivets and incorrect hardware. Someone put a knock off in the original box and wanted $299.00. When I questioned them about the part, I never got a reply. Most original ones I have seen, would match the last picture I have posted as I agree with Jeff that someone got a little carried away with to much pressure in the press. Still a neat detail. Now I know why people are selling and buying empty Autolite boxes on Ebay.