Related Clues:

• Stamps
• Crime scene evidence
• Some collectible art
• Conclusive evidence
• Reproduces, in a way
• Irrefutable evidence
• Crime scene clues
• Photographs
• Damning evidence
• Darkroom output
• Indisputable evidence
• Pix on paper
• Uses a LaserJet
• Publishes
• Pictures derived from an engraving, say