Let me know when you crack the 45 yo bottle; I'll need to taste it for posterity's sake.
Last year at New Year, we cracked a bottle of Old Forrester that had a 1954 tax seal on it ( I think it was about 11 years older than that). Yooooooowwwww. That stuff was like pure jet fuel. It felt like it was evaporating, like acetone, as it went into your mouth. Like drinking a cloud of highly flammable vapours (spelling intentional). It's a wonder we lived.
LOL!
I'm saving it for my 5th wedding aniversary.
(sobering note)
I'm 51 and still single.
Good Luck!