Indus Valley traders did not use money ... At first they were confused, but then they realised these stones were seals. Over 3,500 have now been found! If you pressed the seal into soft clay ...

What can we now know about this lost world, the civilisation of the Indus Valley? The story begins with a small carved stone, used as a seal to stamp wet clay. "You could really say that that's ...

He found a seal “smooth black stone without polish ... called it the “civilisation of the Indus valley”. It has since been ...