United States. 1919. Registered and Advice of Receipt envelope addressed to London bearing 'Omaha' SG 294, 5c blue 'Registration' SG R404, 10c ultramarine and SG 406, 1c green tied by oval Chicago/ Ill with boxed 'Registered' and Chicago/ Reg Div in violet on reverse 'may 24 1919' and oval 'A.R.' (Advice of Receipt), routed via New York with Strand arrival. Nice combination paying the Registered Advice of Receipt.