https://trc-images.nl/collection_images/hires/2017/2017.0560b_2.JPG#\\TRC-SERVER\TRCSharedWork\TRC Database\collection%20photographs\2017.0500\2017.0560b_2.JPG#
Knitting exercise in white and blue. Initials AH on a red-white label.
Made by Adriaantje Heisterborg (1909-1987).