What makes this old?

Tugboat Annie (Dell Mapback 192) 1934 Author: Norman Reilly Raine
Originally uploaded by Hang Fire Books

I'm trying to figure out what makes this look old. Ok, the face isn't a style you see today. The stamp-like logo in the top left corner helps. The type and the imperfections on "A DELL BOOK" probably do too.

But the major thing, I think, is the noise or stippling everywhere. If all of the drawn part was solid or shaded without any noise, it would look pretty modern and similar to a lot of Flash work we see today.