Lot 51533 – 1899 Special Delivery 10c blue from the 1900 Special Printing, original gum with top imprint selvage separated and hinged in place

1899 Special Delivery 10c blue from the 1900 Special Printing, original gum with top imprint selvage separated and hinged in place, manuscript on reverse of selvedge « B. 11506, Special Surcharge, O. », very fine and well centred, ex Robert. L. Markovits.

Note: In March 1900 one pane of each denomination was prepared for the Paris and Pan-American Expositions. H.G. Mandel stamped most of these with « Specimen » on stamps that were mounted by him for the displays at the expositions, the remainders lack the handstamp.