This is a very rare Kamei Egg. Whilst the solution is the same the construction methodology for these was very different and their size and weight gar greater than current models.
The model is P-10-2 made of Rosewood and was crafted in December of 1987, weighs 700g. Heavy!
Works as intended.
Comes with original box and instructions (inside).
Specifications
Designer
Akio Kamei (Original 29 Years Old)
Craftsman / Manufacturer
Akio Kamei
Material
Rosewood
Unit of Measurement
Centimeters
Size
11 x 11 x 15
Grade
(B) Solver: Minor to moderate flaws apparent upon close inspection.
Cosmetic Issues
Some wood shrinkage not affecting the puzzle.
Function
(1) Perfect: Neither loose nor tight, no binding or alignment issues, moves smoothly.