An original archival envelope from a collection of Japanese reconnaissance negatives captured during the China-Burma-India campaign of World War II. Hand-labeled 'Katkyo' to identify the location documented within, this sleeve illustrates the meticulous cataloguing methods used by intelligence personnel and later collectors to organize captured enemy aerial photography. Though this particular sheet bears no image, it remains a valuable piece of provenance, linking specific reconnaissance negatives to their geographic origin along the Burma front. Project: 218097