Yeah, I’ve heard about that. I'm somewhat afraid to know, and that's a big reason why I've held off opening it all this time. Other reasons are that I was on the fence about selling it off once BS started to get valuable, and I was never sure if my palate was developed enough to fully appreciate it if I did smoke it.
Classic eyerolling overthinking, to be sure, but I basically decided to sit on it until my next move was clear. Perhaps I'll head down to the cellar when the coast is clear and give it a little shake and a squeeze.
Look CAREFULLY Before You Leap :: Pipe Tobacco Discussion
With all of the crazy "collectible" tin buying action on eBay I've been following a lot of auctions. Several have caught my eye because they are offering something a bit different. Here's one that just completed...
pipesmagazine.com
I strongly suggest that you open the tin and enjoy. If the tin is compromised, this blend will rehydrate acceptably, though not all the way to where it was. Either way, the blend isn't going to be improving.