Should I Risk It

Hi,

So I accidentally acquired some LSD that was meant for someone else. It's about 25 "hits" on paper "Popeye" is pictured. I haven't tripped since 1990 when I was 19, I'm now 53. I want to so badly, but ppl have said it may be something else, potentially dangerous, and I also don't know how many hits were dropped on each tab.

What should I do?

Thanks.