The apron was embroidered during the internment of Mrs Coppoolse in Indonesia during the period of Japanese occupation. Kramat camp was located at the modern Indonesian capital of Jakarta, formlery called Batavia. Mrs Coppoolse was aged 42 in 1945, and living in the camp, with camp number 22501, with one child.
See also the Stadskanaal commemorative handkerchief; Verzetsmuseum Amsterdam
Rijksmuseum Amsterdam online catalogue (retrieved 1 May 2016)
WV