Bidspirit auction | 1977 Jawaharlal Nehru 25p stamp
1977 Jawaharlal Nehru 25p stamp with Special Slogan cancellation ”Computer Society of India Annual Convention held in Pune”, with the theme ”Computers in Service of Man” Bombay G.P.O. cancelled
1977 Jawaharlal Nehru 25p stamp with Special Slogan cancellation ”Computer Society of India Annual Convention held in Pune”, with the theme ”Computers in Service of Man” Bombay G.P.O. cancelled