Malaya. (Johore). 1940. Registered Air Mail envelope addressed to Holland bearing Johore SG 116, 25c purple and green (3) tied by Scudai/ Johore double ring with matching registration label and 'Malaya Patriotic Fund' label on reverse, routed via Singapore with 'Passed Transmission/ Singapore/ 15' on face and 'Opened by Examiner / 5496' label. Superb item to the Netherlands routed via Singapore with censor.
Mail from Scudai is not so commom. The double ring in use (8.12.38) - (5.11.41).