Shenzhen Airlines 2,3,10,24

China

2,3:

• paper
  
• pointy bottom
• tear off tab
• straight cut
• manufacturer in the right

       2: tear off tab yellow

       3: tear off tab orange

19: misprint SHENZEN AIRLINWS

• paper
• pointy bottom
• tear off tab
• straight cut
• manufacturer in the right

10:

• paper
• flat base
• straight cut