Auction: 15USA - The William H. Gross Collection                                                                                         
                    
                    Lot: 114
                
                    
                        S.G. #2, 1861 6p Deep yellow green, intermediate perf. 14 to 16, an outstanding unused example of this important rarity, possessing deep luxuriant color and about as perfect centering as is possible on this issue, intact perforations, extremely fine; one of the most difficult unused stamps of the Commonwealth and one of the rarest, with only a few known, this perhaps the finest; 1948 RPS certificate; ex-Chapin, Gibralter (Scott #1B; $9,000.00).   Estimate US$ 5,600-7,000                        
                                            
                
                    
                        Sold for                    
                        
                        
                        $11,775