Exploding Shot

About 16c on Beta · Horde (38 minutes ago), 21c on Beta · Alliance (55 minutes ago), and 14c on Beta · Alliance (4 hours ago), from player scans. A vendor pays 9c, so the auction house pays 1.7× 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 200 brings about 30s 40c there, against 18s 0c at a vendor.