it just show me custom clearance delay over 3 weeks, and the Aust post can't track it with the tracking number provided by the seller what can I do?"

HI I have order 04-09955-51508 not received so far, I need to know how to get my item | Shipping

HI I have order 04-09955-51508 not received so far, I need to know how to get my item | Shipping | eBay Australia