Is it nuts to want to shoot an unfired collectible firearm?
Nope. It is nuts however to shoot it because some faceless internet posters say you should.
(Meaning no disrespect for anyone that says to shoot it,,since that would include me!)
Look at it this way. Say some years down the road you decide to part with it,,,,maybe you desperatly need the $$$,,hey, it can happen! Not to single him out, but there's a fellow poster in general that's in pretty desperate financial straights not of his own doing. It can happen to anyone @ any time.
That being said.
Imagine how foolish you'd feel, explaining to someone, that the reason you devalued your piece by shooting it, is that "someone on the internet said I should".
OTOH.
I look for and buy mostly older unfired P&R Smiths because that's what I like the best. I have to say there is a certain sadness I feel when I luck into one (or any firearm really) that is being sold by some poor departed slob's widow, for whatever reason. Most of these safe queens probably have the same story to tell if they could talk. Their owners bought them, put them away as potential collectables,,,then up and croaked. They never had the pleasure of:
a.) Seeing their collectable appreciate.
b.)(most importantly) Shooting it.
I'm really of the opinion that if you have to ask about shooting an unfired older gun, and you have other guns already, you're probably the type that should fire it and enjoy it. Conversly, someone that strolls in and posts "Hey, I just got a really neat ___(fill in the blank) from Gramps, and it's never been fired!! Should I take it out and shoot it?"
To that I'd say, no way.
Tough choice. Good luck with whatever you decide. The only thing I can reccomend is to give it quite a bit of thought.
PS: That DB, while a sweeeeet piece in itself ain't no K22.