Lot
302 
Special Delivery, 1908, 10¢ green, top margin plate no. "4916" block of 6 with and imprint, o.g., never hinged, attractive overall centering, rich color and exceptional freshness, Extremely Fine.Scott No. E7 $1,500.
A CHOICE TOP MARGIN PLATE BLOCK OF THE 10¢ "HELMUT OF MERCURY" SPECIAL DELIVERY ISSUE.