Old Teamster's Skull

About 20s 0c on Beta · Horde (4 hours ago) and 20s 0c on Beta · Horde (23 hours ago), from player scans. A vendor pays 20c, so the auction house pays 95× 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 1 brings about 19s 0c there, against 20c at a vendor.