Coinage Stories: The Three Themes That Defined Dual Coin Issues
In the long and diverse history of commemorative coins in Republic India coinage, only a few themes have seen dual silver denominations released under the same issue. Among these, three notable themes— Grow More Food (1973), Srimat Swami Pranavanandji Maharaj (2022), and India’s G20 Presidency (2023)—stand out for having two silver-alloy coins each, reflecting the evolution of India’s minting tradition and the changing approach to commemorative releases across five decades. The silver alloy, also known as quaternary alloy or Silver .500, comprises 50% Silver, 40% Copper, 5% Nickel, and 5% Zinc. The “ Grow More Food ” theme of 1973 was one of the earliest post-Independence commemorative issues, marking India’s emphasis on agricultural development and self-sufficiency during a crucial period of food scarcity. The coins, issued in denominations of ₹20 and ₹10, were both struck in silver alloy, making them among the few high-value silver coins of their era. The ₹20 coin was minted with...