The new and improved Nike Chicago: Not sure if this counts as signage necessarily, but it certainly is a fantastic display!
Nike Lunar Force 1 Display @ sivasdescalzo Madrid
Nike. Lunar Force 1. 30 Years of Air Force 1. Footpatrol (Size?, Foot Locker). — Boyce — Design and Art Direction #display
NIKE POP Display Custom Displays.........Footwear Shoes Packaging Design for Inspiration