License Plate screws and white plastic inserts value ?
 

What is the price range for new ones? For sixties & seventies GM cars

76 views and nobody knows ???

I got a ton of them (new non-GM of course), how many you want? :)

Are they new ? Pics ?

New Repops Here
Auveco # 3682 GM License Plate Nut (Nylon) 1/4"-20 Screw Size 1196781. Qty 50.
GM: 1196781
two leg version
$7.10

Auveco # 8435 License Plate Nut (Nylon) GM 4755299. Qty 50.
GM: 3907444, 4755299(Supersession(s): 03907444; 15614745)
four leg version
$7.90

Above form fit and function parts;
some feature differences from 1960's version direct from GM.