Registered cover franked with 1917 20c brown red roulette issue and 1923 10c brown (SG 399a & 423) tied by slightly smudged HUETAMO cds's dated JUN 1923 with boxed registration marking in purple alongside. Addressed to MEXICO CITY with blue 'Sunburst' registration seal on reverse tied by oval CERTIFICADOS HUETAMO cancels in purple with arrival mark also on reverse.