King Alfonso XII with caption "PUERTO-RICO".
King Alfonso XII with caption "PUERTO-RICO". Cards for the countries of the Universal Postal Union. 1889 Mayagüez (Puerto Rico) - Göttingen (Germany).
Alfonso XIII. Child type. 1893 Playa de Mayagüez (Puerto Rico) - Leipzig (Germany).
Alfonso XIII. Child type. 1895 Ponce (Puerto Rico) - Hamburg (Germany) via Paris (France).
Alfonso XIII. Child type. 1898 Caguas - Ponce (Puerto Rico).
Alfonso XIII. Child type. 1897 San Juan (Puerto Rico) - Barcelona.
Alfonso XIII. Infant type. Caption "PTO. RICO - 1898 y 99". 1898 Playa de Naguabo-San Juan (Puerto Rico).