safe to drink?

my grandfather passed away about 2 years ago. my mom got most of his things including a few bottles of his alcohol. while rummaging through her liquor cabinet (looking to spike my coffee) i came across this. it looks pretty old and there was some sediment on the bottom (i shook it up, idk if i should have done that). i dont know how long he had this prior to his passing, but i was told multiple times that alcohol cant “go bad” what do you guys think, should i drink?