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                    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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                    4
                    lots found                                            UPA103
                                    
                                    Catalogue closes October 6, 2026
                            

                            Related-lot discovery: showing stronger factual matches to Lot 351. Distinctive philatelic features are prioritised over generic similarities such as format, condition or date; results are ranked locally from the full current UPA catalogue.
            
                            
                                                    
            
                                    UPA
                                Lot 349
            
            
                
                    Argentina
                    CC                                    
                                    Related lotRelated to Lot 351 · Same country / area · Imperforate · Similar period
                                                
                    
                    
                                                
                        Ask a question about Lot 349
                        
                        Answers separate UPA catalogue facts from general philatelic guidance.
                    
                                    
                                ALL DIFFERENT mint & used collection in mounts (mostly used), presented on well filled, dedicated pages from an Ideal album, useful imperf, rouletted & perf ranges, values seen to an 1890 20peso 'G Brown' used & perfin'UT' 10 & 20peso mint 'Ploughman'(horiz Wmk) & used 'Liberty', warrants closer inspection. (175 stamps)
                                    
                        Philatelic terms
                        
                                                            
                                                            
                                                            
                                                    
                                                    
                                imperf — Imperforate
                                A stamp produced without perforations separating it from adjoining stamps.
                            
                                                    
                                perf — Perforation
                                The rows of holes or cuts between stamps that allow them to be separated; measurements describe the spacing of those perforations.
                            
                                                    
                                wmk — Watermark
                                An abbreviation for watermark: a design or pattern incorporated into the stamp paper during manufacture.
                            
                                                General philatelic guidance — separate from the UPA catalogue description.
                    
                                
                    Date
1858-1912
                                                        
                
                    
                        Estimate
                        £225.00
                    
                    
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                                Lot 352
            
            
                
                    Argentina
                    U                                    
                                    Related lotRelated to Lot 351 · Same country / area · Imperforate · Similar period
                                                
                    
                    
                                                
                        Ask a question about Lot 352
                        
                        Answers separate UPA catalogue facts from general philatelic guidance.
                    
                                    
                                10c green 'Rivadavia', RA Wmk, Scott 9, imperf with 3 clear margins, fine cds used.
                                    
                        Philatelic terms
                        
                                                            
                                                            
                                                            
                                                            
                                                            
                                                    
                                                    
                                U — Used
                                A stamp that has been used, normally evidenced by a postal or fiscal cancellation.
                            
                                                    
                                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.
                            
                                                    
                                imperf — Imperforate
                                A stamp produced without perforations separating it from adjoining stamps.
                            
                                                    
                                wmk — Watermark
                                An abbreviation for watermark: a design or pattern incorporated into the stamp paper during manufacture.
                            
                                                General philatelic guidance — separate from the UPA catalogue description.
                    
                                
                    Date
1864-66
                    SG
14
                    SG value
£1,300.00
                
                
                    
                        Estimate
                        £195.00
                    
                    
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                                Lot 353
            
            
                
                    Argentina
                    U                                    
                                    Related lotRelated to Lot 351 · Same country / area · Imperforate · Similar period
                                                
                    
                    
                                                
                        Ask a question about Lot 353
                        
                        Answers separate UPA catalogue facts from general philatelic guidance.
                    
                                    
                                15c blue 'Rivadavia', RA Wmk, Scott 10, imperf with 3+ clear margins, used with indistinct cancellation.
                                    
                        Philatelic terms
                        
                                                            
                                                            
                                                            
                                                            
                                                            
                                                    
                                                    
                                U — Used
                                A stamp that has been used, normally evidenced by a postal or fiscal cancellation.
                            
                                                    
                                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.
                            
                                                    
                                imperf — Imperforate
                                A stamp produced without perforations separating it from adjoining stamps.
                            
                                                    
                                wmk — Watermark
                                An abbreviation for watermark: a design or pattern incorporated into the stamp paper during manufacture.
                            
                                                General philatelic guidance — separate from the UPA catalogue description.
                    
                                
                    Date
1864-66
                    SG
15
                    SG value
£4,500.00
                
                
                    
                        Estimate
                        £675.00
                    
                    
                        View lot details →
                        
                                                    Why this lot?
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                                    UPA
                                Lot 350
            
            
                
                    Argentina
                    U                                    
                                    Related lotRelated to Lot 351 · Same country / area · Similar period
                                                
                    
                    
                                                
                        Ask a question about Lot 350
                        
                        Answers separate UPA catalogue facts from general philatelic guidance.
                    
                                    
                                Used coln on stockpages, from early range in mixed condition then appears largely complete to 1960's and then sparse. (approx 750)
                                    
                        Philatelic terms
                        
                                                            
                                                    
                                                    
                                U — Used
                                A stamp that has been used, normally evidenced by a postal or fiscal cancellation.
                            
                                                General philatelic guidance — separate from the UPA catalogue description.
                    
                                
                    Date
1858-1990
                                                        
                
                    
                        Estimate
                        £178.00
                    
                    
                        View lot details →
                        
                                                    Why this lot?
                                                Find similar
                                                                            View / bid