EXHIBIT 4.1

     

    

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    The
following abbreviations, when used in the inscription on the face of this
certificate, shall be construed as though they were
written out in full according to applicable laws or regulations:

    


    
      
        
          
            
              
                
                  
                    
                      
                        
                          	      
                                  TEN
      COM

                                	–	      
                                  as
      tenants in common

                                	 
      	      
                                  UNIF
      GIFT MIN ACT–

                                	      
                                  Custodian

                                
	
                                  TEN
      ENT

                                	–	
                                  as
      tenants by the entireties

                                	  
      	  
      	
                                  (Cust)

                                	
                                  (Minor)

                                
	
                                  JT
      TEN

                                	–	
                                  as
      joint tenants with right

                                	 
      	 
      	
                                  under
      Uniform Gifts to Minors

                                
	 
      	 	
                                  of
      survivorship and not as

                                	 
      	 
      	
                                  Act

                                
	 
      	 	
                                  tenants
      in common

                                	 
      	 
      	
                                  (State)

                                


                        

                      

                    

                  

                

              

            

          

        

      

    

    


    Additional
abbreviations may also be used though not in the above list.

    


    For value
received,                                                                 hereby
sell, assign and transfer unto

    


    
      
        
          
            
              
                
                  
                    	
                            PLEASE
      INSERT SOCIAL SECURITY OR OTHER IDENTIFYING
      NUMBER OF ASSIGNEE

                          	 
      
	
                             
      

                          	 
      


                  

                

              

            

          

        

      

    

    


    
      
        
          	 
      
	
                  PLEASE
      PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING POSTAL ZIP CODE OF
      ASSIGNEE

                


        

      

    

    


    
      	  
      
	
               

            


    

    


    
      	  
      
	
               
      

            


    

    


                                                                                                                        shares
of the ordinary shares represented by the within Certificate, and do(es) hereby
irrevocably constitute and appoint                                                                                 
                    
           Attorney
to transfer the said shares on the books of the within-named Corporation with
full power of substitution in the
premises.

    


    
      
        
          
            
              
                	
                        Dated, 

                      	 
      


              

            

          

        

      

    

    


    
      
        
          
            
              
                
                  
                    	 	 
	
                            NOTICE: 

                          	
                            THE
      SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON
      THE FACE OF THE CERTIFICATE, IN EVERY PARTICULAR, WITHOUT ALTERATION OR
      ENLARGEMENT, OR ANY CHANGE
WHATEVER.

                          


                  

                

              

            

          

        

      

    

    


    SIGNATURE(S)
GUARANTEED:

    


    
      
        
          
            
              
                
                  	 	 
	
                          THE
      SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION
      (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH
      MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT
      TO S.E.C. RULE 17Ad-15.