Our mailing address is:
Card Kingdom
5105 Leary Ave NW
Seattle, WA 98107
When shipping your package, please make sure to include the department you're shipping to as part of the address and list the relevant order number. Most purchase orders should be formatted in the following way.
Card Kingdom
ATTN: Grading [ORDER NUMBER]
5105 Leary Ave NW
Seattle, WA 98107
For any other questions about how to address you package please e-mail our support team here.