Child welfare – Salvation Army FDC from the Netherlands Indies in 1936. Postmarked in Soerabad 01.12.1936. Unlisted cachet: POSTBLAD – Not seen before with FD cancel. LIkely extremely rare – high cat. value! With 3 SA child welfare stamps – SG 375, 377 and 379. Sent to Flushing, NY, US.