Lot
607 
Puerto Rico, 1876 (May 25) Mayaguez, Puerto Rico to Copenhagen, Denmark, blue folded cover bearing G.B. 1½d lake-red, 1s green (Z34, Z49), tied by indistinct "F85" barred ovals, matching sharp "Mayaguez, Porto Rico, Paid, MY 25, 76" British P.O. cds, carried by RMSP Arno from San Juan to St. Thomas, then RMSP Para from St. Thomas to England, red "London Paid" (6.13) transit cds, Copenhagen (6.15) arrival backstamp; 1½d corner fault, otherwise Very Fine and unique destination from the British Post Office at Mayaguez. Estimate $500 - 750.
Cover prepaid 1s1½d for 1s packet rate to England less 1d colonial credit plus 2½d UPU letter rate to Denmark.