It says “Helen Thomas, First Grade”.
6255 B.C.
Inscription reads: “This time capsule buried by the senior class of 6255 B.C. Senior class vice-president: Nancy Pelosi and Ugg, Prom Queen and King of the Class of 6255 B.C.
Go Troglodyte Football!!
(how they knew the B.C. date, I don’t know). Probably a calendar carved into stone.