DC Comics © October 1966, Aquaman #29.  The story "The Ocean Master". 

Characters: Aquaman; Aqualad; Ocean Master (intro, villain)

Script: Bob Haney     Pencils: Nick Cardy     Inks: Nick Cardy

This book appears (f 63) w/ the usual nics, tics, wear and tear.  Thanks for looking.     xxxx-2301-63