Related Clues:

• Make impressions
• Get in a pet
• Philately specimen
• OK, in a way
• Visa feature
• Penny Black was the first one
• Look down
• Sulky look
• Post office purchase
• Unhappy expression
• Some vegans won't lick it
• Show displeasure
• Put on an unhappy face
• Abolish (with ''out'')
• Collectible that displays its original value