4469
        
        
          4470
        
        
          4471
        
        
          4470
        
        
          1953 (23 Dec.) An air mail cover from Peking via Prague to Holland, bearing C20 and S7
        
        
          complete sets of 4, A1 $1, 000 and $5, 000, and various Regular issues (4), fine. Photo
        
        
          HK$ 1,500 - 2,200
        
        
          4471
        
        
          1954 (11 Mar.) An illustrated air mail cover form Beijing to Moscow, bearing R6 $2,000
        
        
          and air mail 1st print $3,000 x 2, paying correct air mail rate $5,400 + 20g as $2,600, tied by
        
        
          char. 'BEIJING' cds with char. Index '
        
        
          投筒
        
        
          ', and 'MOSCOW/17.3.54' cds. fine. Photo
        
        
          HK$ 1,200 - 1,500
        
        
          4472
        
        
          1954 (1 May) Economic Construction (S8) complete set of 8 on first day cover, plus 1954
        
        
          (1 Oct.) Steamless Steel Tubing Mill & Heavy Rolling Mill (S10) complete set of 2 on first
        
        
          day cover, both sent from Shanghai to Singapore, fine. Photo
        
        
          HK$ 1, 500 - 2, 200
        
        
          4473
        
        
          1954 (31 May) An air mail cover sent from Peking to USA, bearing R1 $10, 000, R3 $500
        
        
          and R5 $20, 000, total postage rate of $30, 500 (correct rate for a 30g airmail to USA at that
        
        
          time), with Canton transits cds (7 Jun.) on reverse, fine.   Photo
        
        
          HK$ 1,000 - 1,500
        
        
          Ex. 4472
        
        
          4473
        
        
          4474
        
        
          4475
        
        
          61