Jetstar:

 

     I know absolutely nothing about this guitar pick. It's obvious it was made by D'Andrea by the style of printing. I have only seen one of these on the net, and it was made into a necklace. Any info anyone can provide will be GREATLY appreciated!!
  
  
Picture
Vintage 1960s Jetstar guitar pick
Picture
(reverse of pick on left)

    

Picture
1960s Jetstar guitar pick
Picture
(reverse of pick on left)