Aeroflot 2,9,36,50

USSR

2:

• paper
• size: 27,3 cm x 13,5 cm
• pointy bottom
• straight cut

9:

• paper
• Size: 28,2 cm x 14,2 cm
• pointy bottom
• straight cut

36,50:

• paper 
• pointy bottom
• straight cut

50:  misprint last two figures 75 are missing