The Inter-Governmental Philatelic Corp. (IGPC) is the world's largest philatelic agency, representing over 70 governments in the production, distribution, and marketing of their nation's postage stamps. IGPC's clients are widespread and range from Africa, Asia, the Caribbean, Central America, Europe, the Middle East, the Pacific Islands, and South America. Since its inception in 1957, IGPC has become well known throughout the stamp collecting industry as a pioneer of innovative philatelic products, such as the Sheetlet and the Pop Culture postage stamp.