Formula: Enchant Bracer - Lesser Strength

About 1g 0s on Beta · Alliance (34 minutes ago), 49s 0c on Beta · Horde (7 hours ago), and 1g 0s on Beta · Horde (24 hours ago), from player scans. A vendor pays 6s 25c, so the auction house pays 15.2× 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 95s 0c there, against 6s 25c at a vendor.