Key Details of the 1973 Stamp:
- Release Date: April 13, 1973.
- Theme: Homage to Martyrs for Independence (Flag and Flames).
- Key Philatelic Identifiers: Listed under SG 679 and sometimes referred to by other catalogs as Phila-571.
- Format: Available in single stamps, blocks of four, and on First Day Covers (FDC).
- Market Availability: Frequently sold in mint (MNH) or used condition by various philatelic dealers.
- Context: Commemorates the 1919 Jallianwala Bagh massacre anniversary (often commemorated around April 13th).



