The Callaway Golf Certified Authentic label features on serialised Callaway clubs including drivers, #3 fairway woods, hybrids, putters, and #8 irons, and is located just below the grip as below:
Location Details:
- Label is positioned on the backside of the shaft (Iron shown, but applies to Woods and Putters).
- Label is located 2cm from grip.
- The "C" in Callaway is located toward grip.