The Heriz or Serapi medallion design is one of the most popular in the world, and originated in the northwest of Iran. This motif favors a large central medallion and a wide border. This one displays a rich mix of colors including crimson, orange gold, blue, ivory and olive. 1960s. Exact size is 9 ft. 8in. by 6 ft. 5 in., which is an excellent size for most living and dining rooms.