I think that's it. There is a similar spot on the top left of the shield on LSCs that I've noticed which corresponds to a prime spot for die cracks/chips.
In Memory of Crazyb0 12-26-1951 to 7-27-2020
In Memory of Tootallious 3-31-1964 to 4-15-2020
In Memory of T-BOP 10-12-1949 to 1-19-2024