For staffs reference also the same issue occurred over on this auction https://pokemonrevolution.net/forum/topic/253525-epic-jolly-nincada-halloween-form-auction-you-can-have-both-ninjask-and-shedninja-form-when-evol/page/2/#comment-1545712
May want to wait for confirmation this guy just bid like 30m on a non shiny epic eevee lol
https://pokemonrevolution.net/forum/topic/253596-epic-eevee-perfect-futur-umbreon/