Airmail cover franked with 1970 1g bistre brown, 5g blue and 10g light emerald on front and 4 x 1g bistre brown and pair 10g light emerald on reverse (SG 1121 & 1125/1126) all tied by multiple strikes of undated circular CORREO DE SAN BERNARDINO 'Arms' cancel in black. Addressed to GERMANY with light ASUNCION transit cds on reverse.