Boar Intestines

About 18c on Beta · Alliance (3 hours ago), 35c on Beta · Horde (9 hours ago), and 39c on Beta · Horde (1 day ago), from player scans. A vendor pays 18c, so the auction house pays 0.9× more.

1 recipe: Blood Sausage.

It exists in Classic Era too, but with different numbers there.

Sell it to a vendor. A stack of 20 brings 3s 60c there — more than the auction house nets after its 5% cut.