CliveW
Tour Winner
I found this link & thought it was funny. How do you mark yours? 
http://www.titleist.com/myt/default.asp?DIVKEY=TI-GB

http://www.titleist.com/myt/default.asp?DIVKEY=TI-GB
An alignment aid half way round and usually the Julian date. ie. the nth day of the year. Today would be 44.