What's the best pen to use
 

Hey guys,
I am going to spring training in a couple of weeks and plan on getting as many Cubs signatures on a 2015 playoff OMLB. What is the best pen (brand and style) to use for autographs? I'm sure ball point pen is the way to go, but is there a certain brand?
Thanks for your input.

I have always used a blue bic and have had no trouble.

+1. Always reliable and less likely to fade

Agreed. But a strong BLUE ONLY pen. Made that mistake thinking any bid is good. Black fades to purpleish eventually. Good luck, have fun and take lots of photos for the memories.
Drew