Truesilver Rod

About 1g 77s on Beta · Horde (10 hours ago) and 3g 0s on Beta · Alliance (12 hours ago), from player scans. A vendor pays 10s 0c, so the auction house pays 16.8× more.

1 recipe: Runed Truesilver Rod.

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 1g 68s there, against 10s 0c at a vendor.