You can check your components and decals against this chart.
http://mombat.org/Specialized_Specs.htm
I bought three last summer, a pair of early 90's for under $75 each and one early 80's for about $150. Yours look pretty clean and unabused, so I would say you could sell them locally for about $120-$150 each. No benefit to selling them as a pair, but it is important to figure out the size and give a range of height they might best fit.