Beer bet about 69 grilles
Im pretty sure "S" and 'Cuda were molded black plastic. Not sure if the standard barracudas used silver argent spray or if they were molded silver argent.
Here is a link with NOS ones
http://www.forabodiesonly.com/mopar/showthread.php?t=252966
Im gonna chk my parts manual and see if there are different part #s for the 2 styles.