On this Kot Diji phase steatite button seal from Harappa (H2000-4495 / 9597-01), traces of blue-green glaze can be seen (upper center and left center). Similar seals have been found at other Kot Diji period sites and even in distant Central Asia. >
Harappa Archaeological Research Project
HARP (Harappa Archaeological Research Project) a group of scholars from a variety of fields dedicated to advancing the study of the ancient Indus Valley civilization.