Phoxica

here are the screen shots insanity another last

I bought the Shiny Whishcash surf mount to sell to someone and I've tried everything to get it sold but nothing worked every other mount in the game is tradable but this one isnt, I've tried having a pokemon hold it and the system says its not holdable, I've tried mailing it yet still states it cant be sent. I've just wasted 100 cc on this and no sale was done. Can you fix this issue or at least give me my 100 coins back. I even have screenshots.