In the Shipping and Handling section of the Sell Your Item form, choose Custom Destinations.
Choose USA.
Set up shipping service and price.
Choose Custom Destinations again.
Choose other countries by name. Do NOT choose USA or N&S America.
Set up shipping service and price.
Enter weight and dimensions IN METRIC in the applicable spot.
Choose Will Ship Worldwide, but do not get specific .
Having the cost of shipping specified makes your listing show up internationally.