Bidspirit auction | 1961 (8 June) Silver Jubilee
1961 (8 June) Silver Jubilee of All India Radio 15np block of 4 & 5np Map series stamp Registered First Day Cover FDC, from Simla to Bombay
1961 (8 June) Silver Jubilee of All India Radio 15np block of 4 & 5np Map series stamp Registered First Day Cover FDC, from Simla to Bombay