Just for the record….saying "Scrap Santos Mahogany and Maple" is and oxymoron like saying "scrap gold" I have a place for even giblets.
Nice boxes…nice glue job on the inside.
The internal finish looks very much like flocking, yep correct spelling,
If it is flocking, its a material made into very small fibers,
The result is very well done, and refelects the skill required in the preparation and final finish.