Please help me. Im looking for manga about girl who can see an antique item without know And don't realize that the item has a fantastic price. Please tell me the title, 'cause im forget what the title.

Kyoto Teramachi Sanjou no Holmes maybe? The main female character recognizes an antique item in a shop without prompting so that might be it. If this isn't it and you remember anything else, let me know.

Hmm not that one.. I think theres a secret door in the toilet school. And in her school every student has special skills, like artist, businessman, and very clever. And her just ordinary student befor she met a boy who searched for the legend of the school's secret door.