Computers can nearly recreate a letterpress look by putting filters over type, but they can't reproduce the irregular look that comes from ink buildup on the type and the varying pressures applied during the printing process.

FORBES: Gutenberg revisited

At a recent golf-industry show, however, the U.S. working group displayed examples of counterfeit clubheads sawed in half, and you can see the type of irregularities that impact performance: irregular interior walls, or supposedly hollow iron-head cavities that instead are solid steel.

WSJ: Psst��Wanna Buy a Counterfeit Golf Club? | Golf Journal by John Paul Newport