 
                    
                    Auction: 141 - Philatelic Collector's Series Sale                                                                                      
                    
                    Lot: 661
                
                    
                        Monaco impressive die proof collection of 233 nearly all different items housed in two large volumes, mostly 1940s to 1960s commemoratives, including complete sets, regular issues, air mails and postage due issues, with the majority being black proofs, but also some in issues colors, composite designs, essays or unfinished designs, virtually all are signed by the designer with some also having been hand-colored by him, very fine; a desirable lot with many scarce and seldom seen items.                        
                                            
                
                    
                        Estimate                    
                        
                        
                        $10,000 to $15,000