What is that thing on the bumper between the grills? I haven't seen another '70 with one of those in such a long time that I don't know if it's original or not.
It is suppose to be a Buick Tri-Shield emblem. ALL of the originals denigrated by now. There are several options, some correct, some not. Price is dependent upon correctness.
Option 1 - open wallet wide for something that'll do , but not too well Option 2 - open wallet ridiculously wide and be glad you didnt buy option 1 Option 3 - hand them your wallet and hope to get it back with enough for a happy meal on the bus ride home. Then once installed you revel in the bliss - gazing upon it perched on the most forward point of a 3 ton land yacht (with questionable brakes) - knowing how many fragile Benjamin's you have dangling there