Auction: SW1009B - The Collector's Series -  Latin America                                                                                 
                    
                    Lot: 1071
                
                    
                        1921, July 1st, Experimental Flight. Cover from Bogotá to Barranquilla with 30c. black on rose and 1c. plus 3c. postage, tied by c.d.s. on dispatch, showing three-lines "Sociedad Colombo-Alemana/De/Transportes Aéreos" handstamp, backstamped on receipt. Some ageing. Scott C14.                        
                                            
                
                    
                        Sold for                    
                        
                        
                        $3,600