The Postal Service has authorized a first day of issue postmark design for the first day of issue ceremony in Washington, DC, where all 10 stamps in the coil will be dedicated on September 2, 2008. The Postal Service has also authorized a first day of sale postmark for dedication events held on September 2 in cities other than the officially designated first day of issue city. Customers have 60 days to obtain the first day of issue and the first day of sale postmarks by mail.