Brawler's Harness

About 34s 0c on Beta · Horde (5 hours ago) and 10s 0c on Beta · Horde (1 day ago), from player scans. A vendor pays 1c, so the auction house pays 3,230× 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 32s 30c there, against 1c at a vendor.