A lot formed of two blocks of 20 US 1873 3c Agriculture stamps on soft paper has sold for $22,000.
 This issue was created for the use of the US Department of Agriculture |
It was the headliner in Robert A Siegel's Outstanding United States Stamps sale on November 9-11.
The unique presentation piece consists of the top and bottom 20 stamps of an original sheet of 100.
These are the only known plate blocks of this official government issue on soft paper in existence.
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