Cover franked with 1915 2 x 20c black & orange red and 30c black & bistre 'Presidente' issue (SG 166 & 168) tied by multiple strikes of RICA AVENTURA cds dated 31 MAY 1929. Addressed to GERMANY with VALPARAISO transit cds on reverse. Rica Aventura was a small postal agency located inside the railway station at the end of Linea Ambulante No.16. An uncommon origination.