26 folded letters or covers with Philadelphia ship markings, origins include Brazil, England, Puerto Rico, and Venezuela, wealth of different markings including various straightline "Ship" handstamps, "Ship 4" in circle (Clarke 546), "Ship Due 4" in circle (Clarke 547), "6" in double Octagon (Clarke 555), "Ship 6" in circle (Clarke 556, 557), "7" in circle (Clarke 561), "12" in double circle (Clarke 566), and "Due 12" in circle (Clarke 567), generally fine to very fine, an attractive and useful selection