A rare champagne, which was served at Lady Diana and Prince Charles' wedding in 1981 will be auctioned on December 11 in Denmark. The Dom Pérignon Vintage 1961 champagne is a special wedding edition, produced specifically to celebrate the royal couple's wedding. The bottle is expected to fetch between $78,000 and $95,000 (₹69,86,666 and ₹85,09,401).