question on value of seat setup

[gn4u2c2]

I have found a set of 67 bucket seats with folding center seat, they are in poor (foam and covering) but excellent rust free frame, latches and all function perfect, not repainted excellent factory paint,springs all look perfect .I was told the truck was parked outside in the sun and not driven since the late 70's hench the sun damages coveringand foam,also includes complete seatbelt setup for $500.00 is that fair. Just want to be sure before I jump on them. They are red seems like a rare interior color but should look real good in my white 68 c20.