Date: 12/31/1969 Views: 2908
Date: 06/07/2009 Views: 2073
Date: 06/09/2007 Views: 2465
Date: 08/23/2023 Views: 88177
Date: 05/23/2007 Views: 533526
Looks like more in this photo, but it's about 1/8". Note the use of black marker to gauge how much to remove and where.