El Raja Key's Arcane Treasury (2009)

"El Raja Key's Arcane Treasury details a wide range of magical items with unique and imaginative capabilities. Discover the mysteries of the Scroll of Temporalities and D'Trampa's Marvelous Coach. Confound your foes with the Sha'ring Rank Splitter, or the Tasseled Cob of Murders. The weapons and wondrous items detailed in this miscellany range in power from those suitable for use by introductory characters up through artifacts to challenge high-level PCs, and each offers a finer sensibility of inspiration, texture, and detail. El Raja Key's Arcane Treasury is the perfect source book. A must have for GMs who wish to challenge and engage their players at any time during a campaign!"

-From Publisher's Website

Supplement detailing magical items created by Robert J. Kuntz, many of which appeared in games Kuntz ran for Gary Gygax in the 1970s.