This is a gorgeous original 1959 Italian Locandina style theatrical poster.
This Francois Truffaut classic is a Criterion Collection staple that is considered one of the greatest achievements in cinema.
It is professional framed, matted and drymounted under UV glass.
The framing alone cost hundreds of dollars.
Here's an unframed different sized Italian poster in worst condition for $2500 USD
https://filmartgallery.com/products/the-400-blows-les-quatre-cents-coups-11