The evolution of firearms is quite interesting because it reflects centuries of progress in chemistry, metallurgy, mechanical design, warfare, and so on. You can definitely tell a compelling story and keep going for a good while.
The problem is that collecting often devolves into obsessing over insignificant details, simply because there's more of them - and if you run out of, you can invent new ones. Look at people who collect coins or stamps and fawn over minor minting or printing defects, etc. The same goes for art collectors, comic collectors, you name it.
The problem is that collecting often devolves into obsessing over insignificant details, simply because there's more of them - and if you run out of, you can invent new ones. Look at people who collect coins or stamps and fawn over minor minting or printing defects, etc. The same goes for art collectors, comic collectors, you name it.