I concur with the above comments. I would add that the damage to the LC Smith will hurt it's value but might be offset by the second set of barrels if they are serialized to the receiver
It is by current definition an "other" but I believe that means you have to be 21 to purchase and are going into a legal gray area to possess 18-20 years of age
The most comfortable hands down is a leather pancake style holster. I've got a Galco and an Aker one standard and one light bearing worn long days for years.
OP I believe the Cody Firearms Museum in Wyoming acquired all of the older Winchester records and would have the most accurate manufacture dates. I've seen them referenced in a number of books and other resources.
Tisas has issued a recall for a number of their 1911s.
https://blog.cheaperthandirt.com/safety-recall-notice-regarding-tisas-1911-pistols/?xnpe_tifc=bDbJxuPNxIzpxDxjhfh.4ypsafeWaeiWhFWLEy4.ajQlOIs1hdJLRfXcbdiArFYlhkU_xkojOIHDxkbpOIoT