Elegant items

Exploration Stage: Rapture Theater
From: Martha
Description: According to the detective's notes, there should be a Dear Willoughby on stage who has been gone for over a decade. They say she was fashionable and beautiful. She had nice curly hair and always wore stylish hairpins. Check to see if any of the young ladies on stage have those hairpins.
Completed: Thanks to the hairpin I found, I know who Diane Willoughby is. She's the one playing the beautiful baroness. Okay, that leaves three. One of them is J.L., the writer of "The Black Spider.