Lot
12 
Great Britain, (British Post Offices Abroad) Paid at San Juan Porto Rico, 1858 Puerto Rico to Palma de Mallorca, Spain folded letter bearing 1857, ½r greenish blue tied by oval obliterator, with blue dispatch cds paying the internal rate, entering the British P.O. with black "Paid, At, San Juan Porto Rico" crowned circle and rated "2/2" in red crayon, with corresponding double arc datestamp on reverse, sent via London with "Paid" cds and "PP" within circle, transit and receiving backstamps, Very Fine and choice, ex-Glassco & Borromeo d'Adda; with 1988 Holcombe certificate. SG No. CC1 Estimate $7,500 - 10,000.