I’m in the museum sector.

Never pick something up to move it until you’ve seen the place where you’re moving the thing and it’s clear of junk.

It’s safer to make two trips instead of one. It’s safer to make three trips instead of two.

The best thing you can do for something old that looks like it’s slowly falling apart is usually to leave it alone.

As a dual citizen, you are required to show your passport if citizenship for the receiving country - I have dual citizenship and it feels weird to show one passport to get on a plane and another to get off, but it’s what a customs officer will ask of you when you arrive.

Since OP was never an American resident or paid taxes, he or she shouldn’t need to file taxes or be flagged on a system for anything anyway.