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Neither rubber has ITTF approval code.
So no way to tell which is which except from packaging

This is a short pips out rubber Looks like they had a 820 version before 820A nut I have no idea what the difference is. This is a very nice rubber. Large pips for speed. Horizontal pip alignment & rough pip top for more spin. I sometimes use this for fun on my forehand with OX long pips my back...