Keystone,2.05,Excellent,H,VS1,F254440
https://www.igi.org/viewpdf.php?r=418023756
https://www.igi.org/viewpdf.php?r=418023756
Description
https://www.igi.org/viewpdf.php?r=418023756
https://www.igi.org/viewpdf.php?r=418023756
https://www.igi.org/viewpdf.php?r=418023756
https://www.igi.org/viewpdf.php?r=418023756