Red Whelp Scale

About 11s 0c on Beta · Alliance (34 minutes ago), 1g 66s on Beta · Horde (7 hours ago), and 1g 66s on Beta · Horde (1 day ago), from player scans. A vendor pays 1s 0c, so the auction house pays 10.5× more.

1 recipe: Red Whelp Gloves.

It exists in Classic Era too, but with different numbers there.

Sell it on the auction house. After the 5% cut a stack of 20 brings about 2g 9s there, against 20s 0c at a vendor.