Small Silk Pack

About 1g 87s on Beta · Horde (6 hours ago), 1g 94s on Beta · Horde (23 hours ago), and 2g 20s on Beta · Alliance (1 day ago), from player scans. A vendor pays 20s 0c, so the auction house pays 8.9× 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 1g 77s there, against 20s 0c at a vendor.