Related Clues:

• Jack's a witty type
• One of the pack from Waugh's castle?
• Possibly a club's race programme
• Birthday greeting
• A jack, for example, in vehicle close to shed
• Wheels had eccentric character
• Character showing heart, say
• Thick paper
• Joker played by Bennett?
• Knave about right — for one?
• Amusing person
• Possibly a diamond dealer will have it in hand
• Piece of Christmas mail
• Posted greeting
• The joker in Number Ten?