GEORGE WASHINGTON 10c Green

Z Grill: about 11x14mm (13-14 by 18 points)
- Country United States of America
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Denomination
?10cFace 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
?EngravedMethod of process of imprinting designs on paper.
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Perforation
?12Holes 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.

SP
Special Peculiarity:
Grill with points down - were produced by rollers with the surface covered by pyramidal bosses.
Z grill the tips of the pyramids are very short horizontal ridges. On the D, E and F grills the ridges are vertical
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Price