so someone came here and just so happens to have NACS coins (and has no connection to said co) wink,wink, and posts about correct grade for their first post!
Most convincing testimonial ever. I'm taking NGC and PCGS off of my list. From now on it's NACS all the way for me! Yes sir!
This should explain everything about NACS: http://yardsellr.com/for_sale#!/1942d-ms68-red-lincoln-cent-3504090