Probably a dumb question
 

Hey guys I've seen some SGC graded cards that have a number 80/70/82 etc but nothing below it usually they have the grade. What's the reason for no grade underneath? Be great looking at possibly buying some

Older slab. At first SGC didn't put the PSA equivalent number under their larger number.

Alright well thanks

You should
 

Not see an 82 with no other number grade below it. Not should you see a 35 or 45.

The older labels did not have the grade underneath. Let me find you the different slab labels. There is a thread explaining this.

(1) SG on the front
(2) SGC on the front, but no 1-10 grade
(3) SGC on the front with 1-10 grade + gold label on the back
(4) SGC on the front with 1-10 grade + SGC pressed into the back

1) pre-1999
2) 1999 - 2004
3) 2005 - 2008
4) 2009 - present

Also the barcode placement on the old old