Per Patch 1.65:

- Some dragon dropped items have had their magical bonuses slightly redistributed. The power level of these items has not changed, nor will existing items receive the redistribution. The items affected are:

Midgard: Brutish Brawler's Armguards, the Ensorcelled Draconic Shield, the Bewitched Draconic Shield, the Staff of Ageless Power, the Dragonscale Bracelet, the Azure Soul Quencher, Runed Saga Etched Shield

Stats shown are from before patch 1.89, in game the name has been changed to Old Staff of Ageless Power.