“No telling how long it’s been lurking back there in the bowels of my pantry.”
Well - it has a 1-800 number so it can’t be THAT old.
I have some trade - promotional rulers of my dads that I still use. Has the old “call Walnut-6-2043” (Walnut for WA for 92).
I wouldn’t worry about it, if the bottle is sealed. I think that stuff could survive a nuclear war, lol!