(information by Alex Zlotin)
Bal Gangadhar Tilak was a scholar, mathematician, philosopher, and militant nationalist who helped lay the foundation for India's independence. He founded and served as president of the Indian Home Rule League and, in 1916, concluded the Lucknow Pact with Mohammed Ali Jinnah, which provided for Hindu-Muslim unity in the struggle for independence.
Interesting biography in Wikipedia.
SPECIFICATIONS
Composition: CuNi
Weight: 8.85 g
Diameter: 23.00 mm
Edge: security