Netherlands East Indies. 1900. Registered postal stationery envelope 10 on 20c blue upgraded with SG 84, 2c yellow-brown tied by Ngawi squared circular '4th Sept 1900' with matching registration label, endorsed 'Drukwerk' (Printerd Matter), addressed to Soerabaja routed via Madioen with Soerabaja and by Seapost with arrival on reverse '6th Sept' . Very attractive item of registered stationery paying the 'two cent' printed matter rate (Drukwerk) + 10 cents for registration.