Gibson 1980 guitar and bass catalog. Page 60. Details of the 335-S Standard. There were two other solid-body 335-S guitars in the 1980 Gibson catalogue: 335-S Deluxe and 335-S Custom. The Standard and Custom were in Gibsons Firebrand series. All three models were launched in 1980.
The US list price for the 335-S Standard was $499 (1/7/1980).