Alright, I was playing nice before, but you're getting obnoxious.
That's a terrible attitude to have. You can't just go through life making mistakes and asking others to correct them for you. Either you will go nowhere, or you will somehow find a way to be successful at the cost of everyone hating you.
This lens is worth about 80 bucks. So try making a new thread with your price set at 90$
shipped.
Also, next time you're not sure what you have, I would suggest reading the barrel of the lens closely and following these simple steps, outlined here:
http://lmgtfy.com/?q=nikkor+50mm+f1.8