You have to get it 'engraved.' I know you can do this when you buy it, Im not sure about after it is purchased. I would take it to the apple store!
Pentagon
48/100
you can buy at Ebay.com
1819 = MDCCCXIX
uyou cant you farts
wii uyou cross the skies for me
go to the next citi
Comó es tu día?
The girl gasped after her teacher went away from her.
3,279 in roman numerals comes out to MMMCCLXXIX
In some cases, yes.
Best left to a trained gunsmith