| The pictures below show larger front and back views of all (6) Different ©1966 Batman Super Hero and Villain National Periodical Publications Character Milk Bottle Caps in this lot. These are small cardboard milk caps that probably went on small ½ pint, or pint school milk bottles. This is believed to be a complete set of six. Each of these have a character name and they are marked “© NATIONAL PERIODICAL PUBLICATIONS 1966”. These are also marked with the names as follows: Batman
Robin
Batmobile
Riddler
Joker
Penguin All six of these character milk caps for one price! Each of these measure about 1-5/16'' wide. They appear to be in good condition as pictured. They each have the name “CHARLES” written on the back. Perhaps these were used as part of some kind of contest or game. | 
