Can some one enhance this?

[dj89]

http://img.photobucket.com/albums/v18/tractorman22/JDClooney/6inpowerblock.jpg
I want the sypbol under the 6"

Thanks dj

[Bad_Dog]

:confused:
http://img158.exs.cx/img158/6600/enhanced.gif

[dahvaio]

Best I could do, but the symbol really is too corroded...