These are the original clichés that were used the print the frontcover illustratration of the Prisma Biggles pockets published by Het Spectrum, Utrecht, the Netherlands. Each part of the cliché represents one of the four colours used in the illustrations. The complete illustrations was made by printing these clichés on top of each other.
Several clichés are available. If you order a cliché you will receive a list of the available titles.