Stampless printed 'S.O. OBSERVACIONES TARJETA POSTAL' official postcard for reporting rainfall with circular 'INSPECCION GENERAL DE MARINA SERVICIO METEOROLOGICO DEL URUGUAY' official cachet in purple on front with oval 'COMISARIA DE LA 12A SECCION RURAL JUAN GONZALEZ' arms cachet in green and OMBUES DE LAVALLE cds dated 3 ABR 1936. Addressed to MONTEVIDEO.