From US sellers I've dealt with in the past, the best and most reliable method seems to be using the Global Priority mailers.
I understand it's a set rate to use one of the smaller envelopes ($5.00US I believe) and with some exceptions (you can put anything dangerous in it etc) you can pretty much put what you want in there.
Looking at one of the mailers I happen to have lying around at home (
) I can quote what it says directly for you Mark ...
"The efficient FLAT RATE ENVELOPE - you don't have to weigh the envelope, just pack all your correspondence, documents or merchandise inside and pay the small envelope rate.
Rates vary by country of destination"
There is also a bit more info on it which might interest you too ...
under the 'Documentation' header, it also says ...
"If your mailpiece weighs 16 ounces or more or may be dutiable, affix the appropriate customs declaration form PS Form 2976"
I'm a HUGE fan of these mailers and I only wish we had something as good here in the UK!
As Mark also said, you would need to pack the card/s in something else prior to placing them inside the mailer otherwise they won't survive the journey.
Well done on your pulls and good luck with the auctions too!
