eBay

You're going to have to pay return shipping or refund without getting them back.

You're absolutely obligated to accept the return

@bonjourami wrote:The seller would need a separate tracking number for each different item number. He doesnt have that..he has tracking for one delivered item.He has no proof that he sent both items with one tracking number, thats a mistake for selle...

In eBay's eyes (and most other businesses) $14 is the same as $1400, you don't pay, you get in trouble. Now, you need to rebuild your reputation with them by taking it slow and following every policy to a T.