"No! Put it back!" Mina clutches the cloak, glaring at the intruder. He tucks the book under his left arm and pulls something from his pocket, holding it up.
"I trust this will suffice."
Mina barely has time to register that he's holding a large coin before he flips it towards her. She starts, loosens her grip - and with a tug at his cloak, he's gone, leaving a fragment of it torn off in her hands. The empty air dances in front of her shocked eyes.