Auction: 12028 - The Collector's Series sale (Hong Kong)                                                                                 
                    
                    Lot: 899
                
                    
                        China  1949-50 Unit and Silver Currency Postal History  1949 (September 23) Registered Air Mail Cover to Chungking, franked with Yunnan Half Value issues, 45f rate, canceled by Kunming cds.    Estimate HK$ 3,000-4,000                        
                                            
                
                    
                        Sold for                    
                        
                        
                        HK$3,000