Old Category "All" still exists at http://shop.wikimedia.org/collections/all, however the header photo is broken.
There:
Possibly related to the missing header image is the two 404 errors and uncaught JavaScript exception:
GET http://cdn.shopify.com/s/files/1/0160/7500/t/12/assets/option_selection.js?7526279646976059689 404 (Not Found) GET http://cdn.shopify.com/s/assets/admin/no-image-master.gif 404 (Not Found) (18x) Uncaught TypeError: Cannot read property 'left' of undefined shiftInstaFeed @ header.js?7526279646976059689:21 (anonymous function) @ header.js?7526279646976059689:95 n.event.dispatch @ jquery n.event.add.r.handle @ jquery