A minutely engraved agate carved with astonishing skill, late 1700's
Source: http://shop.auctionwatch.com/artofthepast/display_item.html?ID=9fd7f3f154640408f48d00d6f10c48af566461a473c7eb7337b465754298843e3c5cc1c718a523864d439d1d347e04984b5909cd6e66592407702c4ca183aebf
(downloaded May 2002)
"The only way to appreciate the beauty and magic of the of this wonderful engraving on Agate stone is to draw an Oval on a piece of paper with maximum length of 5 cms and maximum breadth of 3.7 cms.The size of the Grid is 1.5X2.5 cms.This will give a sense of dimension of this agate vis a vis the text engraved. You would be spell bound with the unbelieveable result! This agate is more than two centuries old and has come from an Estate of an important nobleman. I have included large images of this engraving which has Koranic verses along the oval border and has a grid which has the name of Allah (GOD)."[A closeup of the grid part: