Spider Palp

About 5s 0c on Beta · Horde (21 hours ago) and 3s 50c on Beta · Alliance (23 hours ago), from player scans. A vendor pays 3s 31c, so the auction house pays 1.4× 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 23s 75c there, against 16s 55c at a vendor.