I'd like to offer for sale high quality wooden hexagonal concertina cases. I'm a professional box maker and a concertina player. I've been making the wooden parts (less laser-cut fretwork ) for the Button Box concertinas since their introduction. I recently received an inquiry for a concertina case, and I decided to go ahead and make a prototype of a case I've had in mind for many years.
There are many challenges to making a good hexagonal wooden case. As many have identified, the case should be native horizontal, unlike the antiques. Any musical instrument case should be light in weight. This requires thin wood, and so excellent joinery to be strong. My case weights a bit less than the inexpensive conventional square cases sold by the Button Box.
My prototype is made from butternut with ebony banding. It also has an ebony latch. The latch is designed to close and latch passively, so if the case is closed it's automatically latched . I can easily substitute a conventional brass latch, or if preferred, two of them. I haven't completed the lining yet. I'll be evaluating ultasuede, with rayon velvet and leather also in the running.
The highlight of the case is sides that are dovetailed to the endplates. The case is very attractive, and it makes no secret of what's inside it. At it's required cost it won't be for everyone, but I'm hoping there will be enough interest for me to make a batch of them.
I also do intricate inlay work, so I can personalize your case as you wish. See http://www.alladd.com/custom-boxes/inlay/index.html for examples of my work.
I'm thinking about $450 as a starting price. I'd be interested to hear people's suggestions, and the general level of interest in such an item from the concertina community.