In the Client Center you can easily change any personal information, like billing and shipping address, provide special shipping instructions, etc.

Here you can select Update your personal address and Password or
you can select if you want to get email notifications of updates about Paulus Swaen activity or upcoming auction.

In our message center you can see if you have  received messages from the administrator.

Here you can also see bid activity on items you have placed on your bid page

When you bought a map wondering what its payment and shipment status is, have a look here