Also, when calling eBay, ask to speak to a "GSP specialist". That is important since your items came in through the Global Shipping Program (GSP) and returns/refunds are handled differently.
Also, in future, whenever you encounter a problem on eBay, I suggest you do NOT post negative feedback until all claims have been settled. It is difficult to expect "goodwill" from a seller after you post two negative feedback to his account. There is no urgency to post feedback. Buyers have 60 days from date of purchase to do so.