TheWoWDB
Item 3358 on Classic Era (Classic Era, Hardcore and Anniversary realms), client 1.15.9.68940
Khadgar's Whisker is a common trade goods item on Classic Era at item level 37. 3 recipe items on Classic Era list it as a reagent, including Recipe: Elixir of Detect Lesser Invisibility, Recipe: Frost Oil and Recipe: Elixir of Frost Power. A vendor pays 1 silver75 copper for it.
No Classic Era price data yet. Blizzard does not publish Classic Era Auction House data through its API (every Era auction house answers 404, US and EU). The scanner checks every hour; this page fills the moment Blizzard turns it on. Until then, use the in-game AH or the TheWoWDB Companion addon on your realm.
Recipe: Elixir of Detect Lesser Invisibility makes 
Elixir of Detect Lesser Invisibility (1x Khadgar's Whisker, 1x Fadeleaf, 1x Leaded Vial) Requires Alchemy (195)Recipe: Frost Oil (4x Khadgar's Whisker, 2x Wintersbite, 1x Leaded Vial) Requires Alchemy (200)
Recipe: Elixir of Frost Power makes 
Elixir of Frost Power (2x Wintersbite, 1x Khadgar's Whisker, 1x Leaded Vial) Requires Alchemy (190)| Item 3358 | Classic Era | MoP Classic | Retail (Midnight) |
|---|---|---|---|
| Item level | 37 | 37 | 10 |
| Sell price | 1 silver75 copper | 1 silver75 copper | 1 silver75 copper |
Retail recipe Create Khadgar's Whisker: 9x 
Khadgar's Whisker Stem.
Retail recipes that use it: Elixir of Detect Lesser Invisibility, Elixir of Frost Power, Elixir of Greater Intellect, Frost Oil, Greater Mana Potion and Superior Healing Potion.
Connected realms with a listing in the latest Classic Era scan: EU 0 of 26, US 0 of 23.
Item data: Blizzard's Classic Era Game Data API (static data 1.15.9.68185). Prices: per-unit buyouts from one Blizzard Auction House snapshot per connected realm per hour; market is the quantity-weighted median of a realm's listings. Retail column: the retail client datamine.
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