Lot 199
 
1980, 15¢ Benjamin Banneker, imperf vertically (1804a), imperforate vertically top right plate block of 12. Original gum never hinged. Unique and Very Fine. Only 25 pairs issued.
Scott $1,650 as pairs, unpriced as PB
Expertization: with 1990 P.F. certificate.
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| Realized $850 |
