AMADEO P. GIANNINI 21c Green
 
                                    - Country United States of America
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                  Denomination
                  ?21cFace value of a stamp, usually printed on the stamps.β Glossary
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                  Color
                  ?GreenOriginal catalog color of the stamp.
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                  Print method
                  ?Engraved, Rotary PressMethod of process of imprinting designs on paper.
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                  Perforation
                  ?11x10.5 or 10.5x11Holes punched between stamps to make separating easier.
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                  Watermark
                  ?UnwatermarkedA pattern embedded in a paper during stamp producing process.
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                    Issue Date
                    ?Date inscripted on a stamp or cancellation for used stamps not necessary correspond to real date of stamp issue.![]()  
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                    #
                    ?Catalog number of stamp.![]()  
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                                                Price![]()  
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                                                Price![]()  
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                                  San Mateo, CAPrice![]()  
 
                 
                   
                   
                                  