Dharmesh Thakker, Sanjay N Joshi and Anish Mehta

A lot can be said about a country by studying the evolution of its currency, which is why numismatics emerged as a discipline to focus on the scientific study of money and related objects. This Sunday, a group of five Mumbai-based collectors are set to put up their numismatic collections on display through an eclectic exhibition of unusual banknotes, stamps and coins from around the world under 12 different themes.