1957 Oldsmobile 98 Standard

This is what I know this car has set in my husband's garage back in 2000 I found some paper work of 8 pages of replacements repairs on motor in 2012 by Berling's Collector Cars in Murray, Utah, it does not say nothing about new motor was replaced. Than in 2016 It went in to have the upholstery and carpet done in Salt Lake City Utah. I got to take a ride once short distance and it has been in garage ever since, I am sure it needs to be cleaned as far as fuel and transmission being that its been sitting in garage, it has a duel carburetor. and so on i do not start or mess with it and my husband passed away. I am sure it is worth some money than what im asking for hope some one will carry the dream on still a nice car all I can do is look at it. If need to I can send the engine repairs of the 8 pages someone out there knows more about this car thanks.