I thought you guys might be interested in seeing these, I have four 1952 pennies all with the same reverse die clash getting even stronger one after another.
First coin, hardly noticeable..
Second coin, starting to see the clash..
Third coin, getting better... there is extra metal showing beside the leaf that I'm assuming is from the die clash..
Fourth coin, you pretty much see an entire bottom part of the ear, and a very plugged up right leaf.
Im not really a die clash guy and assuming this is probably common these seem like fairly good examples in my opinion and are cool to look at.