The Chinese regsitered air mail.

 

The Chinese surface registered mail

 

The registered air mial cover of Taiwanese toyko olympic game

 

The Taiwanese registered air mail

 Thank you Mr Li

The Chinese surface mail

 

The Chinese surface mail

 

The Indian air mail

 The cover depicts sport stamp and anicent building stamps.

The Christmas mail from USA

 

The Chinese registered air mail

 

The cover depicts the stamp of  Tokyo Olympic Game .