I guess from looking at the state of the rest of it including that one-piece crank, that the front wheel has been swapped for something non-original, good how it’s only held on with one nut too.
......reminds me of a guy I knew in high school..........."Ol' One nut", we used to call him...........He was a good guy, but he was always complaining about the standover height on bikes.
In any case, good catch there, Twozaskars, although in this case it's not a nut, it's a bolt. If it were actually only a single nut holding the front wheel on, that would definitely be impressive!
From this I think we can conclude that the only thing that's
really holding this bike together is rust, and lots of it.
Then, of course, there's the "Bike will be taken apart for shipping".......
.....I'm afraid not...
I hate to be the bearer of bad news, but (1) it won't be taken apart and (2) it won't be shipped.
(1) After King Kong and Godzilla give up on the seatpost, they're going to have an equally unproductive, frustrating time with the stem and the fork steerer tube being irreversibly fused to each other as well as to the inside of the head tube, ie.e, it
can't be taken apart without a cutting torch. Even removing the front-wheel-and-single-bolt assembly from the fork will be an onerous task due to the sheer tenacity of the rust that's keeping it in place.
(2) It's not going to be shipped because nobody is going to buy it.
It can't be left out for trash collection because even garbage men and bike thieves have standards.
Seller either has to live with it, or take it on a long drive far, far away and abandon it, and hope and pray to the stars above that it doesn't re-appear at his doorstep the next day because some good samaritan returned it with a note on it explaining how he noticed that the owner forgot his bike that "fell off" his vehicle and tumbled down a steep cliff into a raging river as he drove away.
My heartfelt recommendation: find an active volcano, throw it in, and run.