"Formula: Enchant Bracer - Deflection" and "Design: Black Pearl Panther" should probably have a limited quantity according to wowhead and a comment. The information is from a higher patch, but it makes more sense to remove quantities for old things instead of adding them.
Imbued Vial should be removed or not have a limited quantity. It's not like that anywhere else, and someone across the room sells an unlimited amount.
Mobs