This is a 1925 Advertising Cover from The Eureka Vacuum Cleaner Co. of Philadelphia, Pa and sent to Harleysville, Pa. 2 Postmarks (1 1/2 hours apart) were put on the cover with a Scott #615 2 Cent Huguenot-Walloon-Tercentenary stamp. The cover was opened on the right side as shown. Check the photos for more details. If you have any questions, contact me. Full return privileges. Fast 1 day shipping. Low opening bid.