 
                            
                    Auction: 11027 - The Chartwell Collection - Great Britain Line-Engraved Essays, Proofs, Stamps & Covers Part 1                           
                    
                    Lot: 1125
                
                    
                        1840 One Penny Black  Plate VI  Used  MJ-NK block of four in a deep shade,  margins just cut into (top right corner) to very large, tied to piece by dull orange-red Maltese Cross. A good block. Rare  Estimate £   3,000-4,000    provenance:  Robson Lowe auction, May 1971                        
                                            
                
                    
                        Sold for                    
                        
                        
                        £3,000