The oldest, early FT-101 are not nearly as popular (or desirable) as the FT-101B... and the FT-101B is not as popular (or desirable) as the FT-101E series or FT-101E-F radios with their
built in RF processor.
However, that does not mean there is no interest in the early FT-101 radios, nor does it mean they have very little value.
A near complete station, sans the scope, might be desirable to someone, as a buyer can sell off the accessories if wanted... or keep the accessories and sell off the less desirable FT-101.
So... if you are just looking to sell all your old 1970s gear and cash out, I would think the better plan is to sell each piece individually.
Do a quick search on eBay to see what completed and sold FT-101 items have sold for.... simple 15 min job to answer your questions.
Try this:
https://www.ebay.com/sch/i.html?_from=R40&_nkw=yaesu+ft-101&_sacat=0&LH_TitleDesc=0&rt=nc&LH_Sold=1&LH_Complete=1
Bruce Collins