Former Spanish colonies. Puerto Rico

Automatically generated translation

67, 68. 1888. 10 cts green and 20 cts gray. Certificate from MAYAGÜEZ to HALIFAX (CANADA), via Havana. CERTIFIED postmark / MAYAGÜEZ / PUERTO RICO, on the front registration label in transit through New York, on the back transits through the United States and arrival in Canada. MAGNIFICENT AND VERY RARE DESTINATION, SPECTACULAR POSTAGE, ONE OF THE FEW CERTIFIED LETTERS CIRCULATED TO CANADA FROM PUERTO RICO IN THE ENTIRE CLASSIC PERIOD, COMPLETING THE RATE OF 30 CTS.