Starrett Webber 2" Coated Optical Flat with Case Nice.  Doesn't appear to have been used much.  Stamped 1, not sure if this is grade or 1 millionths flatness.  Also stamped coated and 02.  A few minor scratches on one side.  I measured at 11/16" thickness.  Please review all photos to determine condition and identification.  Item is sold as is with No Returns.  Will be shipped via USPS Priority.