Lot 541
 
Envelope, 1860, 1¢ blue on orange, die 1 (U21A), mint size 7 entire. Hinge thins on backflap. Choice Very Fine appearance.
Scott $1,800
Expertization: with 2005 P.F. certificate.
According to the Porter Venn census, it is likely no more than 10 exist of USPSS #32 and 33.
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| Realized $450 |
