Here's one I bought back in the 1980s. I have never shot it. It just sits there in its original box with all the papers, accumulating value on an almost daily basis...
...and here's another. Actually I have shot it, a couple of cylinders-full, maybe 30 years ago. Cleaned it thoroughly, and put it away. Guess what? It just sits there in its original box with all the papers, accumulating value on an almost daily basis...
John