| Image |
Information |
| BC number(s): 736, 737,
"25 years since the death of V. I. Lenin." - two postage stamps. |
| BC number(s): 738, 739, 740, 741, 742, 743,
"Technical Achievements of the Democratic Youth (SNM)" - six postage stamps. |
| BC number(s): 744, 745,
"Botevs Day - 100 years since the birth of Hristo Botev (II edition, with changed colors)" - two postage stamps. |
| BC number(s): 746,
" Air mail . VII Congress of the Union of Bulgarian Brand Amateur Societies, Pleven. " - one postage stamp. |
| BC number(s): 747, 748,
"Georgi Dimitrov - mourning." - two postage stamps. |
| BC number(s): 749, 750, 751, 752, 753,
"First Five-Year National Economic Plan." - five postage stamps. |
| BC number(s): 754, 755, 756, 757,
"Ready for labor, sports and defense." - four postage stamps. |
| BC number(s): 758,
" Air mail . 75 years of the Universal Postal Union (UPU). " - one postage stamp. |
| BC number(s): 759, 760, 761,
" Border guards ( 761 - for air mail ) " - three postage stamps. |
| BC number(s): 762, 763, 764, 765,
"One year of a single O.F. organization." - four postage stamps. |
| BC number(s): 766, 767,
"70 years since the birth of J. V. Stalin." - two postage stamps. |
