eBay

I have dropped off a media mail that never been scanned into the system. I checked with post office, and they have no idea where my item could be at. At this point, I just want my item back and not have it ship. So my question is, If I void the label...

I have dropped off a media mail that never been scanned into the system. I checked with post office, and they have no idea where my item could be at. So my question is, If I void the label, will they send the item back (if they happen to find my mail...