It's wet... with saliva. And it's been chewed.
7 seconds sound clip from the X Minus 1 - The Veldt by Ray Bradbury classic radio drama series.
You can hear this line at 00:13:42 in the radio play.
Quote context
[...]
- Okay. Good night, Mom. Good night, Pop.
- Good night, dear. I'll be right in.
- Wait a minute, Lydia. Look at this.
- This is the corner where the lions were, isn't it?
- Well, what is that you picked up?
- An old wallet of mine. There's a smell of hot grass on it, and the smell of a lion.
- It's wet... with saliva. And it's been chewed.
- George? Those smears - are blood.
- Come on out... Now, let's go to bed.
- But, in the middle of the night, he was still awake, and he knew his wife was awake.
- George? How did your wallet get in the nursery?
[...]