Fine Longbow

About 1g 0s on Beta · Alliance (3 hours ago), 89s 0c on Beta · Horde (9 hours ago), and 99s 0c on Beta · Horde (1 day ago), from player scans. A vendor pays 9s 72c, so the auction house pays 9.8× 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 9s 72c at a vendor.