Titles
of Ramesses III from one of his palaces showing Greek letters
on the reverse side, incised during the process of manufacture.
This is one of the strongest proofs that a revised chronology
is needed, because Ramesses is usually dated to a time four
centuries before the time the Greek alphabet was invented.
From
Altantis in America Navigators of the Ancient World
by Ivar Zapp and George Ericson