You are looking at the most popular variant of this sold out, 24x36 poster of John Carpenter's "Halloween".   This poster is on heavy, silk-screening, matte surface stock and the artist is Laurent Durieux.  Poster is limited edition # 85 of 150.   The Shape himself has signed this as well.  I included photos of Nick Castle signing.  CGC x JSA has authenticated his signature and has a tamper-proof serial sticker on it and comes with matching COA. The serial # is CH60938.  Shipping via protective tube is $18.