Related Clues:

• Offer a sum of money to buy
• Action on eBay
• It's made by Olympic city hopefuls
• Invite work in plain language
• Said, as 'adieu'
• Offer at Sotheby's
• Auction node
• Nod, at times
• Offer (for); demand
• Invite offer
• Make offer (for)
• Attempt, offer
• London will make one for the Olympics
• An offer or a challenge
• Challenge for the title