Common · Weapon · Sword · Main Hand
Same as in Classic Era.
About 5s 0c on Beta · Alliance (33 minutes ago), from player scans. A vendor pays 83c, so the auction house pays 5.7× 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 1 brings about 4s 75c there, against 83c at a vendor.
There's no auction house to price until then.
Beta prices — not launch pricesNormal, PvP, and RP open Nov 4