Key Details of the 1968 Stamp:
- Issue Date: October 27, 1968.
- Purpose: To mark the 100th birth centenary of Sister Nivedita (1867-1911).
- Denomination: 20 Paise.
- Colour: Jade Green.
- Designer/Printer: India Security Press.
- Quantity Printed: 2,000,000 stamps.
- Design: A vertical portrait, with the years 1867–1911, and the name “SISTER NIVEDITA” in English and Hindi.
- Availability: Stamps were issued in sheets of 50.



