Indus Valley Seal Set Replicas (resin cast). Two cylinder seals; birds and animals; and a stamp seal design. The Indus Civilization and Sumeria traded both overland, through the Elamo-Dravidian corridor, but also up the Persian Gulf with Dilmun (Bahrain) as a midway base. From Mecheherghara Balochistan, Pakistan about 1500 BC.