16. 1877. 25 cents blue. GUAYANILLA to SAN JUAN (PUERTO RICO). GUAYANILLA pre-philatelic cancel, in black. MAGNIFICENT AND RARE USE OF THE PREPHILATELIC POSTMARK IN SUCH A LATE PERIOD.
Ref: 0000111581
Former Spanish colonies. Puerto Rico
16. 1877. 25 cents blue. GUAYANILLA to SAN JUAN (PUERTO RICO). GUAYANILLA pre-philatelic cancel, in black. MAGNIFICENT AND RARE USE OF THE PREPHILATELIC POSTMARK IN SUCH A LATE PERIOD.
Ref: 0000111581