WF 59, 1887 5c Blue Numeral envelope, 15c Frank, entire to Riga, Russia (Latvia) uprated with five 3c Vermilion and 5c Blue Numerals, all tied by April 28, 1894 Zacatecas datestamps, certificado etiquette and New York registry label, black circled "A.R." handstamp, New York and Riga backstamps