I don't have the same opinion on the large French poster for 'LAURA'.
I find it doesn't really represent the mood of the film. I don't recognize Gene Tierney at all on the 'Grinsson' artwork.
In addition, I have the impression looking at the illustration, of a submissive woman without character, nothing to do with the fact that the detective is captivated by the Laura's portrait...
So, in my opinion, this poster is certainly beautiful but too much smooth and not representing the film ...
On the American poster, we can see that Laura has character and that she 'dominates' men. That the detective is fascinated by Laura (and hatred from Vincent Price). We can feel it with these eyes contacts.
On the other hand, I like much more the other French poster, medium size, with the interogatory's scene. Here again I like this eyes contact where Laura is highlighted and she doesn't intimidated.
The most beautiful poster, in my opinion, is without context, the 6Sheet.