The Callaway Steelhead X-14 irons were among the best-selling—and most often counterfeited—clubs ever. The five-iron on the right is the genuine article. The one on the left is a counterfeit purchased on eBay. Some of the differences cannot be seen (the counterfeit, for example, is 11 grams heavier), but someone with a sharp eye can spot these giveaway characteristics.
The clubhead on this fake is about a quarter inch taller than the real thing.
The words on the medallion are in the wrong font, and the outline of the medallion is too small.
The hosel of the fake is about a quarter inch longer than the one on the real X-14.