A pair of loose sleeves to be worn on the forearms made of yellow and brown cotton lined with blue cotton and hemmed with orange and red band ('koor') embroidered with yellow and red mirrorlike triangles ('spiegeltjes').
The orange 'koor' indicates that the sleeves were being used on festive days connected to the royal family Oranjefeesten or Koninginnedag.
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https://trc-images.nl/collection_images/hires/2010/2010.0468a-b.JPG#\\TRC-SERVER\TRCSharedWork\TRC Database\collection%20photographs\2010.0400\2010.0468a-b.JPG#