Explosive Sheep

About 21s 0c on Beta · Horde (5 hours ago) and 16s 0c on Beta · Alliance (6 hours ago), from player scans. A vendor pays 10s 0c, so the auction house pays 2× 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 5 brings about 99s 75c there, against 50s 0c at a vendor.