You'd recieve noted character & your appropriate runes. Crafter; You deposit your runes & noticed ess. A window would seem, with RS gold boxes with images of un-noted ess. All these are distinct offers from the runners. (The offers would prob. Be the same. You click one, and are given 27 un-noted ess back.
Variation 2 (Personally I like this much longer.) The same as the above, except you don't find the offers, this is because perhaps certain crafters would only select certain runners (friends etc.) Runner; Put on your essence. A message appears in a single window. "Waiting for offer to be finished" (or something like that.) You're put at a que (will explain more in crafter bit.) After a while, you must recieve your runes & noted ess.
If the world is inhabited, you may almost instantly recieve Buy old school rs gold the un-noted ess. Craft it, deposit the runes & more noted ess. What essentially is happening here, is when a runner sets inside their ess, they are added to a que (this could be insvisible from the windows interface, however, the que would just be from the coding.)