Much much better than my old ones ... unbalanced and about 25 years old !
The Gold plated is not so visible - I don't know why.
Click on the picture if you want to see it bigger.
I think it's a "Made in China" product with an individual company stamp on it !
The electronic inside - only on one side !
Nothing on the other side ... :-((
... except serial number and so ... argh !