Simple Branch

About 7s 0c on Beta · Alliance (28 minutes ago) and 7s 0c on Beta · Horde (1 day ago), from player scans. A vendor pays 6s 20c, 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 1 brings about 6s 65c there, against 6s 20c at a vendor.