Guam. 1899, 1c green from the 1900 Special Printing, original gum with light hinge, "SPECIAL SURCHARGE" hs on reverse, very fine and very scarce; cert. PF (2009). (Image)

1840-51. Two entire letters from New York to Cádiz (Spain), conveyed by the “Elisha Denish” and “Leonice” ships, both displaying red “Estados Unidos” straight-line hs, charged at single rate with “5R” due marking. A scarce duo. (Image)