http://www.imperialgunneryforum.com/t6953-list-of-lettered-hilt-lightsabers-concentrated-on-darth-vader?highlight=Lettered+sabers
The saber molds were used for all three figures so if it exists for one it should theoretically exist for the others. I will see if I can find a specific reference to an obiwan jj hilt somewhere though.
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Bryan
I have caviar dreams and McDonald's pockets