1855 (April 11) Cover to La Rochelle (France), bearing blue "GUAYAMA/PUERTO RICO" fancy cds and framed "FRANCO" in blue, Art. 13 Anglo_french accountancy marking in red, "15" decimes charge, reverse with 'Baeza' type of San Juan, British "San Juan Porto-Rico" cds, Paris and arrival cds's; a similar cover was offered as part of the Gaspar Roca collection with a US$ 3,000-4,000 estimation; according to Gaspar Roca, fewer than ten cover recorded with this dispatch postmark. (Image)