Related Clues:

• Do a certain cartoonist's job
• Silkscreen supplies
• Scribes' supplies
• Pad content
• Newspaper need
• Puts one's John Hancock on
• Marine defense, perhaps
• Penman's paint?
• Lithography need
• Printer's buy
• Writing material
• It may be invisible
• Well fillers
• Sign, per Variety
• Signs on the dotted line