This item is exclusive to Alyssa, and is one of her twenty special items, although one of her thirteen "Personal" special items. Once all twenty items have been obtained, a third picture showing Alyssa's two alternative costumes and an option to listen to a selected piece of her Ad-Libs are unlocked for purchase in the Collection.
Birlew, Dan (2004). Resident Evil Outbreak Official Strategy Guide. Indianapolis: BradyGames.