Orders are best submitted by fax. State what you want in your letter. The price is in Francs, but Visa will translate that in your own money when you get the bill. You can request Economy or Priority shipping. Economy takes 2 weeks to reach you, Priority only 5 to 7 days.
Tea is tax free and crosses borders easily.
A great shop, in Paris. Not so high end as Mariage. It's easy to buy from them. Just fax your order and request service by Economy or Priority post. The mail order list is easy to understand if you have the smallest bit of high school French.