He is holding a Mouth Organ in his right hand. So it is about 90 yearsOLD. However some brown aging on its back it does not affect the picture on the front side (see scan) and it is still a great collectable.
1945 - Bersiap. Chaotic period in Indonesia with national revolution, following WWII. The Dutch came over "to restore order". My father wanted to go, but (fortunately...) he was far too short to become a soldier (1,50 m).