Circa 1954. Airmail cover franked with 2 x 1929 3c deep purple (SG 230) tied by GUATEMALA CITY cds with unclear date but looks to be 1954 and also by manuscript cancel with manuscript 'no valen' alongsode and handstruck three line 'SE DEVUELVE PARA QUE SE COMPLETE EL PORTE FALTA Q. 0.90' instructional tax marking alongside. Addressed to BOLIVIA. Unusual.