The kids, that these balls were drilled for, did not realize that the holes had gotten tighter because they had grown. Dad brought the kids in to get the balls adjusted.
What dad did not realize was the serial number in the middle of the three holes, on his kids' new balls, normally are on the bottom of an Ebonite Maxim. Ebonite engraves identifying letters and numbers on the opposite side of the ball to the center of gravity (a little bullseye shape used to identify where the manufacturer has determined is the heaviest point on the ball, the starting point to balance the ball).
No need to worry about that because department stores and big sport stores don't ever balance a bowling ball before they drill it. You need a scale to balance a ball. You need to know how to use a scale. At 7 pounds something (a couple ounces), good thing they didn't have a scale, the oldest boy's ball was supposed to be an 8 pound ball. What's a pound here or there!
The balls sitting on my counter are not Maxims. The plastic balls Ebonite sells to this store are called something else (Zoom). Same colors, same look.
The ball driller for a large sport store chain drilled the balls upside down.