I got the Maruman on E-b-a-y.
My Futabaya is the "Maximum" wooden model - very beautiful - and it came in a very nice full length case, with a pocket on the front to put tennis balls. I think it's fairly rare.
I would love to see your bamboo models - can you post some photos?
See my racquet collection at www.80s-tennis.com/pages/virginia-crawford.html and my addition to the Borg collection of the now rare Donnay Diamant.