Mint Identification
Calcutta - Diameter 24.30-24.40mm with crescent privy mark
Bombay - Diameter 24.50 - 24.60mm with no privy mark/ mint mark
Madras - Diameter 24.70 - 24.90 with "V" privy mark
Diameter 24.70-24.90 with "V" Privy mark & "S" incused on neck
