Lot 1307
 
Canal Zone, 1907, 1c Green & Black, Imperf Between, Block of 4, #22a, n.h., "Bottom (top?) imprint block of 4, imperforate between (vertically) at center", beautiful copy, Extremely Fine. Ex Dunaway. 2017 PSAG cert. and 2004 PSE cert.
Scott $2,200 +. 50 issued, this is the discovery piece establishing plate position, unique .
Estimate $900-1,200.
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| Realized $1,380 |
