Severed Talon

About 98c on Beta · Horde (5 hours ago), 98c on Beta · Horde (22 hours ago), and 1s 2c on Beta · Alliance (23 hours ago), from player scans. A vendor pays 96c, so the auction house pays 1× more.

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

Sell it to a vendor. A stack of 5 brings 4s 80c there — more than the auction house nets after its 5% cut.