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                Perforation-assisted identificationAlready know the stamp, country or SG reference? Add its measured perforation to narrow possible catalogue matches and help distinguish perforation varieties.Try UPA’s Digital Perf Reader ↗
                
                                                            Measured perforation
                    
                    Use this after identifying or searching for the stamp. Perforation is treated as one identification characteristic, not proof of identity or authenticity. Only perforation details explicitly recorded in UPA catalogue descriptions are matched.
                
            

            
                
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                    1
                    lot found                                            UPA103
                                    
                                    Catalogue closes October 6, 2026
                            

                            Related-lot discovery: showing stronger factual matches to Lot 4412. Distinctive philatelic features are prioritised over generic similarities such as format, condition or date; results are ranked locally from the full current UPA catalogue.
            
                            
                                                    
            
                                    
                                Lot 4413
            
            
                
                    Canada - Prince Edward Island                    MH                                    
                                    Related lotRelated to Lot 4412 · Same country / area · Similar period
                                                
                    
                    
                                                
                        Ask a question about Lot 4413
                        
                        Answers separate UPA catalogue facts from general philatelic guidance.
                    
                                    
                                Perf 9 2d rose carmine Die II fine mint mint, large part original gum, cat £1,000 used,  unpriced mint, Die I is x3 for mint giving an extrapolated catalogue value of £3,000, a major rarity occurring only once in a sheet of 60
                                    
                        Philatelic terms
                        
                                                            
                                                            
                                                    
                                                    
                                SG — Stanley Gibbons
                                The Stanley Gibbons catalogue reference used to identify and catalogue stamps.
                            
                                                    
                                perf — Perforation
                                The rows of holes or cuts between stamps that allow them to be separated; measurements describe the spacing of those perforations.
                            
                                                General philatelic guidance — separate from the UPA catalogue description.
                    
                                
                    Date
1861
                    SG
2a
                                    
                
                    
                        Estimate
                        £1,022.00
                    
                    
                        
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