Aeroflot 2,12,33,36,51,52,53

Russia

2: (black print)

• paper
  
• pointy bottom
• straight cut

33: (red print)

• paper
  
• pointy bottom
• straight cut

12,36,52,53: (red print)

• paper
  
• pointy bottom
• straight cut

          12: only one horizontal line limits lower text

          52: last two figures (75) are missing

          36: two horizontal lines limit lower text

          53: last two figures (75) are missing &
                 two horizontal lines limit lower text

51: (green print)

• paper
  
• pointy bottom
• straight cut