Related Clues:

• Conclusion reached by thousand, say, in 21's borders
• In some games it completes a series
• Ring with a stone turned up in the end
• Last of series in order? Time's up
• A great beauty's love rejected in letter
• Old girl getting a long letter
• A diamond ring turns up in the end
• Greek character woman's seen in middle of road
• Greek Z
• Final letter from Aristophanes, perhaps
• Last letter of Homer?
• Character coming last in Athens once
• Honour, say, a Greek finalist
• Some winsome Gallic or Greek character
• Ultimate letter of love - fab!