Ambico 
  

     I cannot find much information on Ambico picks on the net. Though, Tony D'Andrea himself, has said they were made by D'Andrea!!! Yet ANOTHER reason to love D'Andrea guitar picks!!
  

Vintage Ambico guitar pick box

Two lovely Ambico examples with 'wood grain' grip

Vingate Ambico grip pick. Clear pick, hard to photograph but in GREAT shape!

(reverse of above pick)