As someone else said not long ago, buy 2, one to shoot and one to look at
I have rifles and pistols that I bought as an investment, such as the HW77K-LE and BSA Centenaries that I have no intention of using, and I have others I would have no hesitation in using if the opportunity arose.
At present, it would appear that collectable Air Rifles/Pistols are a better proposition than putting your cash in a bank.