Anybody know what PMLX means?

[jlb783]

I have an 1852 large cent I bought and on the back of the cardboard holder thing it says PMLX. Does any body know what that means or stands for?

 

[l.cutler]

Dealers often have there own code for what they paid for a coin. It may be that.

 

[jlb783]

That would make sense.
Thanks

 

[Mackaydon]

Paid/Purchased: 1055; or $10.55; just guessing, of course.