Registered cover franked with 1938 5c blue green, 1939 4 x 10c carmine & 25c ultramarine and 1940 5c blue green (SG 542, 595, 597 & 601) tied by multiple strikes of large undated SANTA TERESA - EDO MIRANDA 'Arms' cancels with handstruck '13 MAYO 1940' date and straight line 'CERTIFICADO' markings alongside. Addressed to CANADA with transit and arrival marks on reverse.