Hi There
I would just say cover yourself. I have sold to other countries, in Europe and outside of Europe and so far it has been ok.
eBay have improved their seller protection which is a plus. what i do:
take photos of the box before and after packaging
ship with a courier that will insure the item
signed for on delivery
outside of Europe a lot of the time someone is going to want a lower invoice amount which is fair enough, who doesn't want to pay less for something ? but do you want the sale or do you want to be covered because if they want it that badly they will stick to your rules? and let the customer know that the lower you put the invoice then the item will not be covered. If you put it as a gift which I do then i do not think the duties are as high (not an expert but Ive had no problem so far). subtle changes to the invoices helps at customs at the other end - marking as A Toy helps if it is marked as a gift!
I am sure most will agree, people buying Sideshow / Hot Toys figures know they want it and are collectors so getting it in the best possible way possible and insuring it matters
As long as you cover yourself you should be ok
In some countries higher value may cause the package to be opened for inspection prior notifying the recipient & simply just tape everything back, do you want to take that risk?