The stone lid of the coffer was split into four pieces; but the coffer remained perfectly closed, so accurately was the lid fitted into flanges on the sides of the box.
Of solid brickwork set in clay a massive stone coffer was found lying due magnetic north and south.
It is only the great solidity of this coffer which has preserved the contents.
At Silver Islet, Lake Superior, mining was successfully carried on for years under the protection of a coffer dam and an arch of rich silver ore less than 20 ft.
The pieces were thus firmly held in their place, and the contents of the coffer were found intact.
Mr Peppe presented the coffer and vases with specimens of the jewelry to the museum at Calcutta where they still are.
This was almost certainly the shock of an earthquake, and the same shock probably caused the split in the stone lid of the coffer itself.