Sarawak Specialists Society: Who Is Walter? – Postcards from Sarawak (1937-38)

Join the Sarawak Specialists Society for this puzzle where the aim is to identify “Walter” who wrote a set of 10 postcards of the peoples of Sarawak in Borneo in 1937/38.

The addressees in South India are known since the recording to be Miss Clare Jonklaas and Miss Margery Jonklaas living in Coonoor, South India. It was suggested it might be Anthony Walter Dayrell Brooke, nephew of Charles Vyner Brooke, third Rajah. However, the evidence is not strong.