O) 1798 circa, CHILE, CONCEPCION DE CHILE, PREPHILATELIC - PRESTAMP, DIRECTED TO JUAN ANTONIO MONTES, BRIGADIER OF THE ROYAL ARMIES AND GOVERNOR OF CHILOE, ORIGINAL COVER OF BUENOS AIRES, WITH TRANSIT IN CONCEPCION, FIRST RATE OF 5 and a half reales - 5 1/2 reales, DOUBLE WEIGHT COVER, 2 reales, AND 2 reales IN SECOND TRANSIT, MPF7a, MARK IN RED, RATES BETWEEN 1798, IN THE CONTROL OF THE ROYALISTS IN THE PROVINCES