The serial number would be located on the hosel every iron of that AP2 set with Fujikura shafts.  Please call us before you purchase if the seller gives you a serial number for the set,   Our number is:  1-888-TITLEIST. 

GC has become so repetitive unless it shows LIVE golf.   The "no commentary" broadcast of the Nationwide event was horrible. Mics on the caddies and players was boring,   C'mon GC,   get with the game.