How do you date old 7 Up bottles?

Lift up the bottle of 7Up. Look at the base, or bottom, of the bottle to find the date. Look at the neck or label. If the plant has not printed the date on the base, it can be found on the neck or label of the bottle.

Can I drink 11 year old beer?

So it wont make you sick or harm you if you want to taste it. But it is extremely unlikely that you will enjoy it. It wont be harmful, but neither will it taste any good. Pale low-alcohol beers dont age very well, and a beer that was low on flavour to start with is not going to improve with time.