Wild Hog Shank

About 5s 0c on Beta · Horde (4 hours ago) and 3s 0c on Beta · Alliance (17 hours ago), from player scans. A vendor pays 50c, so the auction house pays 9.5× more.

No. It is in Classic Era too, with the same item level, vendor price and stack size.

Sell it on the auction house. After the 5% cut a stack of 20 brings about 95s 0c there, against 10s 0c at a vendor.