Related Clues:

• Sought-after object in medieval tales (and the 1993 theme of the 39-Across)
• Object of a classic pursuit
• 'The Da Vinci Code' topic
• Holy quest object
• Last Supper chalice
• Chalice's cousin
• Medieval knights sought the Holy . . . . .
• Round Table Knights sought the Holy .....
• Legendary cup used by Jesus at Last Supper
• In legend, the cup used by Christ at the Last Supper
• Christ's cup at the Last Supper, sought by medieval knights
• The holy chalice used by Christ at the Last Supper
• The Irish love the Italian chalice
• See 2
• Attainment of glory in greeting from Mecca, perhaps