The material below is Open Game Content from a 3PP Source
Headband of Inspired Wisdom
Aura moderate transmutation; CL 8th
Slot headband; Price 4,000 gp (+2), 16,000 gp (+4), 36,000 gp (+6); Weight 1 lb.
This simple bronze headband is decorated with an intricate pattern of small green gemstones. The headband grants the wearer an enhancement bonus to Wisdom of +2, +4, or +6. Treat this as a temporary ability bonus for the first 24 hours the headband is worn.
Requirements Craft Wondrous Item, owls wisdom; Cost 2,000 gp (+2), 8,000 gp (+4), 18,000 gp (+6)