AC radiator cap identifcation help

[69VN]

Need help identifying these radiator caps. Reads AC Type RC-8 on both. Would like to know what they were used on, the year/s they were used, and a suggested price. I will be selling these after I find out exactly what they are. Much appreciated. Thanks guys!

Sal <<GRAEMLIN_URL>>/beers.gif

http://www.yenko.net/ubbthreads/pics/usergals/2015/12/full-13015-35792-ac_radiator_cap_1.png
http://www.yenko.net/ubbthreads/pics/usergals/2015/12/full-13015-35793-ac_radiator_cap_2.png

[marxjunk]

Sal, did you google or search on ebay? ebay is a good source and place to figure value...i will look around later and post if no one else does

ebay says 49-55 chevy and a bunch of jaguars

[69VN]

Will do. Thanks Mark.