Isaäc Vuijsje joined the Hollandia-Kattenburg textile factory in Amsterdam on 8 April 1937. As a precautionary measure for difficult times, he bought ten small cut diamonds from his relative Max Sijes, a diamond cutter, and had them inserted in his dentures.
On Wednesday, 11 November 1942, around 4:30 PM, Willy Lages conducted the Sicherheitspolizei raid on the Hollandia factories. All exits wer…