I noticed that the George Brett 3,154 hit baseball has 2 different ways that he writes the 4 in 3,154. On MLB website looks like one pen stroke, but the JSA DNA balls out there shows two seperate pen strokes. Is this something that is normal for a people to do or is this a possible concern? I wouldn't change my pen stroke like that, but maybe it isn't uncommon for some. That was just the one thing I noticed that it varied enough it catches one's eyes.

From Amazon (says it has MLB Authentication Hologram)

From MLB

JSA Certified