de stamp
The Eid stamp, designed by Zakariya of Arlington, Va., features the Arabic phrase “Eid mubarak” in gold calligraphy on a blue background. English text on the stamps reads “EID GREETINGS.”
http://www.usps.com/news/2001/philatelic/sr01_054.html
http://islam.about.com/library/glossary/bldef-eidmubarak.htm
Definition: A phrase of greetings said among Muslims to congratulate each other on holidays. It literally means, “Blessed Festival!” The appropriate answer is, “Allah yubarak feek!” (May Allah bless it for you also!)
thanks