unused Puerto Rico, 1899-1900, Postal Stationery, fourteen cut squares, six entires, one wrapper and one Postal Card, cut squares incl. nos. U1-U4, U10, entires nos. U1, U3, U16, U18, , also UX2 (small crease at T.R.), few small faults, otherwise fine-very fine, Scott retail over $800.00est.