1899 Puerto Rico Postage Due, U.S. Overprint

Puerto Rico · 1899 · 10 Cents

A rectangular 10 Cents U.S. Postage Due stamp, featuring the numeral '10' in an ornate frame, overprinted diagonally with 'PUERTO RICO'. The design includes 'POSTAGE DUE' at the top and 'U.S. POSTAGE' below.

This stamp signifies the transition of Puerto Rico from Spanish to U.S. control following the Spanish-American War in 1898. The overprint indicates the provisional use of U.S. stamps in the newly acquired territory before specific issues were produced.