63
        
        
          4310
        
        
          1947 (29 Oct.) A large insurance cover from Sifangtai double registered to Harbin, on front  bearing surcharged on 1st
        
        
          print, Chairman Mao, black surcharged $100 on $1 pale violet x 5  (Yang NE40) tied by char. 'SIFANGTAI' cds and char.
        
        
          'HARBIN/31.10.47 arrival cds, on reverse bearing Chairman Man, 2nd print $10 bright green x 6 (Yang NE85) tied by the same
        
        
          cds, with violet Insurance Seal issued by Transportation Bureau x 3, rare. Photo
        
        
          HK$ 50,000 - 60,000
        
        
          4311
        
        
          1947 (3 Nov.) A large printed insurance cover from Baimentung (
        
        
          八面通
        
        
          ) sent to Harbin, on front bearing Chairman Mao 1st
        
        
          print $5 orange block of 16 (Yang NE3) tied by 'Baimentung' Japanese type cds, handstamped char. 'Baimentung Post and
        
        
          Telegraph Office/No. 63' frame box, and 'Harbin/6.11.47' arrival cds. On reverse bearing the same issue block of 4 & block of 8
        
        
          (Yang NE3) and surcharge on 1st print, Chairman Mao $100 on $1 pale violet x 2, both tied by 'Baimentung' Japanese typecds,
        
        
          additional bearing 'Insurance seal stamp' in purple x 3, each with opt. red char. 'Free' and tied by private seal chop in red char.
        
        
          circle. fine, very rare commercial use of 'Insurance seal stamp' on cover. Photo
        
        
          HK$ 45,000 - 50,000
        
        
          4311
        
        
          4310