 
                            
                    Auction: 15USA - The William H. Gross Collection                                                                                         
                    
                    Lot: 131
                
                    
                        S.G. #20a, 1881 ""1/2"" on 1/- Dull blue, setting 10, surcharge type 9, position R. 2/5, particularly fresh, well centered, straight edge at right, large part o.g., very fine for this; an extraordinarily rare surcharge type that is almost never offered at auction, in fact this is only the second such example we have sold in over ten years; 2000 BPA certificate; ex-Gibralter (Scott #8B; $11,000.   Estimate US$ 4,800-6,000                        
                                            
                
                    
                        Sold for                    
                        
                        
                        $6,025