Auction: 6031 - British Empire Stamps & Covers                                                                                          
                    
                    Lot: 1638
                
                    
                        x Jamaica Officials 1891 (21 Mar.) wrapper to Kingston, bearing 1/2d. green tied by Exhibition Office squared-circle cancellation;  some staining nevertheless rare. S.G. O1
                                            
                    
                        Sold for                    
                        
                        
                        £90