Help with guarantee paper

[Explorer3]

Hi, I was wondering if you guys here could help me.

I am looking to buy a full set vintage rolex dated 1981, there are two that I have been looking at and their serial numbers are well within the same range (within a couple of thousand of each-other coincidently). I have images of both the punched papers that come with watches but at the bottom right hand corner I noticed that the numbers are noticeably different. I have 3 questions:

1) What do the numbers mean?
2) Why are the fonts of the number different?
3) Are either of them incorrect or look suspicious?





Thank you for your help.

[GGGMT]

Pics didn’t show through for me. But That could be just me


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[Explorer3]

Are the visible now?

[swaini3]

Originally Posted by Explorer3

Are the visible now?

They are for me

[freefly]

Originally Posted by Explorer3

1) What do the numbers mean?
2) Why are the fonts of the number different?
3) Are either of them incorrect or look suspicious?

1. Just part/reference numbers for the certs (Rolex numbers almost everything).
2. Anti-counterfeiting measure, or maybe just a variation from the different suppliers/vendors who printed them, etc.
3. No red flags from those particular pics.

There have been several different versions/revisions of the guarantee cert. over the years, and those are both legit "part numbers" for certs of that era.
So, I wouldn't have any concerns as long as the watch checks out, and the punched numbers on the cert. match the watch.