Why do some golf balls have a small letter in some of the dimples?

I’ve noticed that some brands of Golf balls have a very small letter moulded into several of the dimples. Is this some security or authentication feature?

Its a manufacturing mark, typically a date code.

3 Responses to “ Why do some golf balls have a small letter in some of the dimples? ”

  1. Its a manufacturing mark, typically a date code.
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  2. Its either part of the logo or part of the manufacturing.
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  3. manufacturing stamp, some companies have more than one factory.
    Its kind of like the letters on coins, telling you where they were minted.
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