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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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                    2
                    lots found                                            UPA103
                                    
                                    Catalogue closes October 6, 2026
                            

                            Related-lot discovery: showing stronger factual matches to Lot 17009. 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 17008
            
            
                
                    Portugal                    MH                                    
                                    Related lotRelated to Lot 17009 · Same country / area · Similar period
                                                
                    
                    
                                                
                        Ask a question about Lot 17008
                        
                        Answers separate UPA catalogue facts from general philatelic guidance.
                    
                                    
                                1000r black and indigo, perf 14x15, mint with h/r.
                                    
                        Philatelic terms
                        
                                                            
                                                            
                                                            
                                                    
                                                    
                                SG — Stanley Gibbons
                                The Stanley Gibbons catalogue reference used to identify and catalogue stamps.
                            
                                                    
                                SG value — Stanley Gibbons catalogue value
                                The catalogue value quoted from Stanley Gibbons. It is not the same as the UPA auction estimate or a guaranteed selling price.
                            
                                                    
                                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
1910-12
                    SG
416-44
                    SG value
£44.00
                
                
                    
                        Estimate
                        £12.00
                    
                    
                        
                                                    Why this lot?
                                                Find similar
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                                Lot 17010
            
            
                
                    Portugal                    MH                                    
                                    Related lotRelated to Lot 17009 · Same country / area · Similar period
                                                
                    
                    
                                                
                        Ask a question about Lot 17010
                        
                        Answers separate UPA catalogue facts from general philatelic guidance.
                    
                                    
                                New Currency, Ceres type with imprint below. 1E green / azure, chalk surfaced paper, perf 15x14, mint with h/r.
                                    
                        Philatelic terms
                        
                                                            
                                                            
                                                            
                                                    
                                                    
                                SG — Stanley Gibbons
                                The Stanley Gibbons catalogue reference used to identify and catalogue stamps.
                            
                                                    
                                SG value — Stanley Gibbons catalogue value
                                The catalogue value quoted from Stanley Gibbons. It is not the same as the UPA auction estimate or a guaranteed selling price.
                            
                                                    
                                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
1912-20
                    SG
180
                    SG value
£31.00
                
                
                    
                        Estimate
                        £8.00
                    
                    
                        
                                                    Why this lot?
                                                Find similar
                                                                            View / bid