Lot
3237 BKS
Canal Zone, 1924, 1c dark green, "Specimen" overprint in red. With large hole control punch, upper sheet margin pane of 18 containing 3 booklet panes of 6, o.g., never hinged, bright and fresh, perf separations and tear in top margin, otherwise Very Fine. Scott No. 68S Estimate $400 - 600.
Realized: $375