Boker blades

[ghostpoo]

I own a total of three Kalashnikov 74 one is a mini.
Why is it the mini Just says: 1200 on the front of the blade & on the back side it says: AUS8
Wheres to the Boker full size kalashnikov says:1131 on the front & on the back side: AUS8 Taiwan ?

 

[Marketing]

are you talking about the individual serial numbers????