https://trc-images.nl/collection_images/hires/2016/2016.1389.JPG#\\TRC-SERVER\TRCSharedWork\TRC Database\collection%20photographs\2016.1300\2016.1389.JPG#
https://trc-images.nl/collection_images/hires/2016/2016.1389_2.JPG#\\TRC-SERVER\TRCSharedWork\TRC Database\collection%20photographs\2016.1300\2016.1389_2.JPG#
Narrow band with the monograms PI and LP in faded brown-black.