Japan. 1920. Registered and Advice of Receipt envelope addressed to Holland bearing SG 168, 1s orange, SG 171, 3s carmine (3), SG 173, 5s violet and SG 176, 10s blue tied by Osaka date stamp with 'Osaka/A' registration label, endorsed 'A.R.' in bold red crayon and hand-struck 'Registered'. Very fine.