Silly question: how do I know if a film has been used? : r

Everything to know before seeing 'The Exorcist: Believer

How to Know If Your Photography Is Good: The Art of Self-Critique

Best Taylor Swift Songs: Top 100

Government UFO Report Won't Rule Out Visitors from Space

27 Best Pregnancy Movies You Can Watch Now

Hi! This might be a dumb question lol im just starting to use film

All Marvel Movies: Ranked Worst to Best

How To Tell if Your 35 mm Film Has Been Used

How to tell if a film is used - Quora