The Casper card set is a popular one with collectors, not only because of its fun cartoony theme, but also because it features bright, beautiful color artwork on front and back. The characters on the cards came from the Harvey line of comic books.
The card fronts are meant to resemble the screen of a console television, with faux woodgrain surrounding the image window, and knobs to the right. The card caption is below the image, while the card number sits within the upper 'knob', below which is the name of the character pictured and the Fleer logo.
The card backs feature a full-color, four-panel comic strip sequence complete with word balloons, which looks like it may have been taken straight out of a comic book.