Yes die chips. When they occur at the bottom of the letter R as in your second example, this is sometimes referred to a "skirted R". Also, these are due to the overuse and wearing out of the die used to strike these cents rather than being a mint error.
"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