Is my passport valid if the front is faded?

Posted by AnonymousBanana7@reddit | AskUK | View on Reddit | 12 comments

I keep my passport in my pocket for ID as I don't have a license but it's caused the gold bits on the front to start wearing away. You can still read the text but it's fading, and the lion is gone as well as half the crown. Can I still use it?