I remember purchasing several of these from the local Chevy dealer back in the day. Less than $25 in the 70s and less than $35 in the 90s.
Here you go for the low low price of $599.95. Wow.
https://www.heartbeatcitycamaro.com/...gaAjcGEALw_wcB
I would think if you are patient, you might find one for less than $300.
Jim might want to update the listing to delete "Black EDP coating".
Biggest problem is they get curb rash on them, so all the NOS ones got snagged a few years ago.