Lot
4191 
1908, 1¢ blue green, experimental coil, perf 12 vertically, pair, o.g., lightly hinged, perfectly centered, deep green shade, an Extremely Fine gem; with photocopy of 1950 P.F. certificate and 1998 P.S.E. certificate. Scott Nos. 318 $11,000.
THIS IS PERHAPS THE FINEST KNOWN PAIR OF THIS NOTORIOUSLY DIFFICULT ISSUE.
Realized: $10,000