Calico Tunic

About 1s 0c on Beta · Alliance (7 hours ago) and 1s 0c on Beta · Horde (7 hours ago), from player scans. A vendor pays 80c, so the auction house pays 1.2× 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 95c there, against 80c at a vendor.