Well Optioned '68 Camaro RS L30/M20 Convertible
 

Headrests, fold-down seat, power discs...pretty nice. Not cheap, but a great looking car you could enjoy as-is. Not exactly a survivor, though - it has definitely had some paint/bodywork done, judging by the pics.

Link to 1968 Camaro Convertible auction

https://i.ebayimg.com/images/g/masAA...1h/s-l1600.jpg