Cover franked with 1932 pair 30c on 20c sepia AIR issue and 1934 20c lake (SG 521 & 576) tied by VERACRUZ cds dated 21 MAY 1937. Addressed to GERMANY with fine strike of 'R.A.C. No. 2 R.M.' (Ruta Aerea Contratada - route no. 2 - Veracruz - Merida) airmail route marking on front and transit & arrival marks on reverse.