1966 plymouth valiant 4 door carpet hold down plates

jeff alder said
Mopar NOS 1963-66 Valiant, Dart, 4 Door and Wagon Left Rear Sill Plate 2292057 | eBay Don't loose hope someone might have them...you might have to get them one at a time

I saw that but I am not paying $37.42 to ship it. That is way too high. I have contacted him. I wonder where he got that part # from.