Update: Stamp Announcement 13-38: War of 1812: Battle of Lake Erie

In Stamp Announcement 13-38: War of 1812: Battle of Lake Erie (Postal Bulletin 22369, 8-8-13, page 29) under How to Order the First-Day-of-Issue Postmark, the mailing address is:

War of 1812: Battle of Lake Erie Stamp
Postmaster
2200 Orange Avenue, Rm. 206
Cleveland, OH 44101-9998