1969 Plymouth Barracuda Convertible

I had a '69 Barracuda 'vert that was originally a /6 that had a/c. According to Galen's white book, there were only 40 /6 'verts in '69. I would guess only a fraction of that number had a/c.
I also had a '68 'vert with a/c, but it came with a 318.
Dallas