Original 15&3/4 x 23&1/4"  1960's blacklight poster from Hambly Studios in Santa Clara, Ca.  The poster is #3 in the series.
 
Art by Hambly Studios
 
The poster is in decent vintage condition.  There are 3 tackholes on the top corners and two on the lower half.  Also some bends on the bottom corner and creases throughout the poster.  The back has tape stains.