This is a Tadanori Yokoo-illustrated portrait poster of Koji Tamaki, sold exclusively at the 2019 Romashika event. The size is B1. I bought it because I thought it was a very good item, but I don't have a chance to display it, so I would like to pass it on to someone who will cherish it. It has been stored new, but as you can see in the third photo, there is a slight damage to the edge. Below is information about this poster at the time of its release: https://www.billboard-japan.com/d_news/detail/77783/2 [With Bonus] The Tadanori Yokoo poster from the 2016 performance in the fourth photo also has pin marks, but I will include it as a bonus if you wish. (This poster was displayed.)