Spider Silk Slippers

About 3g 0s on Beta · Horde (6 hours ago) and 3g 25s on Beta · Horde (23 hours ago), from player scans. A vendor pays 11s 20c, so the auction house pays 25.4× 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 1 brings about 2g 85s there, against 11s 20c at a vendor.