Related Clues:

• Subway artwork
• Creative work
• See 21-Across
• Knack
• Prints and such
• It's often left hanging
• Piece of street art
• Carney of 'The Honeymooners'
• Shakespearean verb
• 'Wherefore ___ thou Romeo?'
• Decorator's concern
• Met display
• Class in which posers are presented
• 1998's 69-Across
• Piece of cave art