Mutton Chop

About 69c on Beta · Alliance (20 minutes ago), 65c on Beta · Horde (6 hours ago), and 65c on Beta · Horde (1 day ago), from player scans. A vendor pays 25c, so the auction house pays 2.6× 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 13s 11c there, against 5s 0c at a vendor.