@ateyat, first welcome to CCF. Second, perhaps you could tell us a little more what you are seeing? With excessive rim wear, it is possible to have the rim and the top of the letters in the inscription be connected.
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz