Some of the mounting holes have crudely been enlarged & it looks like the top edge on the mounting flange might have been cut down a bit. No heavy pitting, some oxidization. The name is not real defined, but remember these are very old & crudely cast. The item "Rare Hildebrandt Small Block Chevy Valve Covers SBC Originals" is in sale since Wednesday, May 17, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Valve Covers".The seller is "aluminum-man" and is located in Cave City, Kentucky. This item can be shipped worldwide.