eBay

I HAVE AN OFFER ON USSR BANK NOTE COLLECTION OF $200.00. CAN I SHIP THIS ITEM TO US AND WHO PAYS TARRIFS. MY LISTING DIDN'T INCLUDE INTERNATIONAL SHIPPING

Two weeks after mailig an item( single postage stamp) with 92 cents postage and regular envelope , weight 18 grams. Item returned as insufficient postage, Why ?. About same time the buyer files an item not received case. I promply mailed item with ne...