1, look at the part shown by the arrow, slightly protruding, this place must correspond to the "G" in the logo, up and down, without exception. True there is no protrusion, which does not correspond to g.

2. The letter edges of the real rings "V" and "B" are wrapped by a circle of polishing marks, showing a regular strip pattern, and even the bottom of the letters are carefully polished. It's not that detailed.

3. Look at this point. Authentic outlets are smooth at the bottom, while imitation outlets are rough and uneven.