Lot
1800 
Weeks & Potter, 4¢ black, watermarked USIR, right margin block of 9 with "No. 59" plate number, disturbed o.g., some gum soak affecting several stamps, otherwise Fine, a very rare multiple. Scott No. RS261d Estimate $150 - 200.
Sale 64: The Donald Green Collection of U.S. Private Die Medicine Stamps
Weeks & Potter
Lot 1800
Weeks & Potter, 4¢ black, watermarked USIR, right margin block of 9 with "No. 59" plate number, disturbed o.g., some gum soak affecting several stamps, otherwise Fine, a very rare multiple.Scott No. RS261d Estimate $150 - 200.