It is on the bottom right of page 15 in some of the leaves. It's a bit tarnished.
PG
PG-13
I'm pretty sure "A Christmas Carol" is rated PG. I doubt it is PG-13 and I don't think it's G, so it has to be PG.
49
Christmas Vacation is rated PG-13, mainly for strong language.
Tiny globe near right edge of pg 9
PG
The Nightmare Before Christmas is rated PG.
It is at the top of pg 20 at the very end of the right
It is rated PG for mild language and some thematic elements.
Numb3rs - 2005 Black Swan 4-13 is rated/received certificates of: Netherlands:12 USA:TV-PG