I have found in my experience that the postage from the U.S.A has left a few bad experiences. In spite of documentation items have been mislaid. Which is frustrating and alas loss of money.and also the item.
I have found that most dealers on E Bay are extremely helpful and quick with their postage from the U.K.
Dealers from the U.S.A are lacking in efficiency I therefore try and avoid them
Otherwise very happy with the system and I have added a great deal to my collection through the programme. Jennifer Spafford