Ruffled Feather

About 49c on Beta · Horde (2 hours ago), 49c on Beta · Horde (20 hours ago), and 43c on Beta · Alliance (21 hours ago), from player scans. A vendor pays 41c, so the auction house pays 1.1× 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 10 brings about 4s 66c there, against 4s 10c at a vendor.