DC's stable of comic book superheroes, including 'Batman', 'Superman', 'Wonder Woman', 'Supergirl' and a half dozen others will star on new US 39-cent stamps and 24-cent postal cards, on sale beginning July 21.
Stamps will be sold in sheets of 20, with half featuring individual characters and half showing covers of comic books starring them.
Other characters featured are 'Plastic Man', 'Green Lantern', 'The Flash', 'Aquaman', 'Hawkman' and 'Green Arrow'.
