Related Clues:

• Inverted Jenny is a rare one
• PAID, for one
• It may be framed and hung
• ___ ID
• Characteristic mark
• Type of finish
• It's usually stuck in a corner
• Snail-mail need
• Driver's license feature
• ID necessity, often
• Licked square
• Something to snap
• Candid, maybe
• Envelope stick-on
• Camera creation