Scepter -- noun -- a rod or wand borne in the hand as an emblem of regal or imperial power.
Pimp Cane -- noun -- 1) An essential tool to the hardcore pimp, while a mere prop for softcore pimps. 2) The pimp cane usually is decorated with such things as a diamond or jewel on the top and gold everywhere else.
So, knowing these facts ... what would you call the thing Prince brought with him to the French Open this weekend??? Besides "awesome."