Hmm? The metal plate over the driver side shock tower is obviously scary, but then on the passenger side you can plainly see from the outline that at some point it had one too, but the metal does not appear rusty. Maybe it was reinforcment for some type of suspension modification. The bitumen sound deadening material on the shock towers and in the engine bay never looks good and especially so on 40+ year cars; I'm glad I got rid of it (CSL style) when the engine bay was painted. I hope the new owner won't find a nightmare under there.