Silver UNC Set of One Hundred and Fifty Years of India Post Kolkata Mint. Silver UNC Set of University of Mysore Centenary Celebrations of. Best Coins of the World UNC Coin Sets of India and world, Indian rarest Proof sets for collectors. This coin sets are available in Cash on delivery in India. Filter. Commemorative UNC/ Proof Coins · · Years of Brihadesw arar Temple ATM Rs. · Birth Anniversary DR. · years of National Archives of India Rs.