The most rare Skipper? How many Skipper we know in total?

Always asked: how many Skipper are out there? Nobody knows exactly, but here are how many from every execution are known or seen till today. Please - I am not sure about the real numbers, I put all in I have ever seen - without knowing the way they did through a sale or trade etc. So the real number might be slight different and smaller then displayed here. But to have a feeling, it is correct use in my eyes. Would love to be more exact, so please help me and send your full serial and some data about [...]