This is an amazing piece. This shape is no longer produced. In addition, not only was this designed by Maryla Iwicka but it was painted by her as well. 

This piece is part of a large inventory collection that has been in storage for the better part of the last 15 years. They are all new pieces, ordered at the time by a direct distributor for the Ceramika Artystyczna factory. Many of these pieces are patterns (such as this one) and or shapes that are no longer in production. When they are gone, they are gone. They cannot be ordered again.