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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 15157. 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 15158
            
            
                
                    Nepal                    MH                                    
                                    Related lotRelated to Lot 15157 · Same country / area · Related period · Same classification
                                                
                    
                    
                                                
                        Ask a question about Lot 15158
                        
                        Answers separate UPA catalogue facts from general philatelic guidance.
                    
                                    
                                Siva Mahadeva - 1r red in upper left corner UM block of 6, perf 11.
                                    
                        Philatelic terms
                        
                                                            
                                                            
                                                            
                                                            
                                                            
                                                    
                                                    
                                UM — Unmounted Mint
                                A mint stamp with original gum that has not been mounted or hinged.
                            
                                                    
                                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.
                            
                                                    
                                block — Block
                                A joined group of stamps, normally arranged in at least two rows and two columns.
                            
                                                General philatelic guidance — separate from the UPA catalogue description.
                    
                                
                    Date
1907
                    SG
63
                    SG value
£280.00
                
                
                    
                        Estimate
                        £22.00
                    
                    
                        
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