Complete folded letter datelined 'Tacna 10th Jany 1861' inside with 'Por Vaporcito' on front. Sent from ARICA with manuscript 'Von de paquetes periodicos de Europa' and ARICA cds dated 10 JAN 1862 on reverse franked with 1858 1d deep blue 'Arms' issue worn plate showing RETOUCHED TYPE with 'O' & 'CO' of PORTE-FRANCO redrawn in larger lettering and line of shading missing along 'EOS' of CORREOS (SG 12) tied by dotted ARICA cancel. Addressed to PISAGUA. A nice routing via the coastal route using a ship bound for Europe.