What is this?

[Newt]

Just had a friend receive this valve on an RT Pro with a powerfeed body. What's up with the double engraving? Is this common, or is something screwey going on?

http://img195.imageshack.us/img195/3570/sl730015.jpg

[Ando]

That's a stock engraving. Came out before they just started putting a X on the valve. No need to worry.