sweething Baxton

I bought a Dress on the marketplace that I never received. I sent several notecards to the seller but he never replied. What am I supposed to do to have my item delivered or refunded. Invoice # 1301930954 Ordered on August 14, 2012Order Status: Delivered Description Item IDs Unit Price Qty Total: Ricielli Mesh - Peplum Dress /polkadotsSold by Fhara Acacia Visit The StoreReview Product 76231586 L$75 1 L$75 1 item has been deliveredItem(s) will be delivered to the Objects folder.Total: L$75