Official government Exposicion picture postcard 'Teatro Nacional Guatemala' with printed 'El Correo en la Exposicion del 15 de Septiembre Primer Certamen, 1904' at lower left franked with 1902 5c black & grey blue and 10c blue & orange yellow (SG 118 & 120a) tied by GUATEMALA CITY cds's dated 29 NOV 1904 with partial strike of CORREO DE LA EXPOSICION GUATEMALA duplex cancel in magenta dated 17 SEP 1904 underneath stamps. Addressed to GERMANY with arrival cds on front. Scarce.