Item level 1 · Stacks to 5 · Prices on every WoW Forever auction house
Hollow Wing Bone on every WoW Forever auction house, updated hourly. Cheapest right now: 6s 20c on EU · Normal · Horde. About 20 sell per day across all markets.
Busiest market
US · PvP · Alliance
Lowest12silverUsually 19silver50copper≈ 12 sold per day