1949万国邮政75周年不同图案首日封,3枚内合2枚挂号,其中一枚(UN LONG)元朗局挂号香港邮学会封,一枚GRACA封,一枚九龙挂号,此封图案甚罕见;Hong KongPostal History1952-66 small lot of 7 covers. tied by different Hong Kong regions post office c.d.s. including Shatin, Kai Tak, Kowloon City, also 1952 H.K. Products Tenth Exhibition Propaganda c.d.s.