Issues refund but never got item back

I wanted to get rid of some of the items in my closet for more space and some extra cash. I sold my first four items with no problems, but after selling my REAL Chanel bag (for about $4,000 with proof of receipt and authentication), the buyer claimed it was fake or “not as described” and claimed a dispute.
I had decided to refund the buyer, not because she was right but because I had sympathy. Now, my PayPal account is frozen, the money was given back to the buyer, AND I did NOT even receive the bag nor did I receive a tracking number. I called PayPal several times to fix this issue; after uploading my files to prove the bag is real and that I had purchased it, I was guaranteed immediate rechecking on the account to see if they could pull the limitation. Nothing happened. Nothing. I have over $1,000 in my account and I can’t receive my funds. I did NOTHING wrong or illegal and now lost a bag and all the money I made for selling it. THANKS PAY PAL

Source: http://www.paypalwarning.com/issues-refund-item/