A 1,50 Leu postage stamp from Romania, celebrating the 23rd International Conference of The Red Cross held in Bucharest in 1977. The image shows the three protecting emblems used at that time: the Red Cross, that was adopted in the 1st Geneva Convention of 1864; the Red Crescent and the Red Lion and Sun, both officially recognized in the Geneva Convention of 1919. This latter was used by Persian Empire until Iranian revolution of 1979 and, although never …