i have buy this cam used and i recieved today . when i check the grind number , its engraved Powermax 2031 C.R. 44-11-10

and its punched 449508 and 201183 .

can someone tells me if its common to see engraved number and what this number means (44-11-10 ,449508, 201183) .

Thanks

 

Its common for it to be engraved, and no idea what the other numbers mean