These appear to be plates from a coffee table sized book, tiny page numbers at the bottom.
Pages are 12" x 16"
These are not scans of mine, but taken from google imaging:
title: "Lady Violetta and the Knave"
The first has no differences, the second one lacks the small print in top corners, but still has the LIFE banner. It also has a slight printer's error down the center, barely noticeable.
$12 for both, includes shipping.
Greetings from Brambly Ridge
Any sufficiently advanced technology will be used as a cat toy. And this tiny ad contains a very small cat: