I have to agree with you Gary. The quality of the finest Japanese sword when residing in a shirasaya is not apparent to the uninitiated. You could have a Masamune displayed on your kake and to most individuals it would appear to be a sword in a stick(cane sword?). The quality of it would not be apparent to most people. If any sword is displayed in a good koshirae, it attracts much more admiration from the neophyte as well as the seasoned connoisseur. To appreciate the quality of the sword it must be held in the hand and viewed in reflected light from various angles and even then one must have some insight into what one is observing. A high quality koshirae does not require much special knowledge to be appreciated, it is self evident to most people. I personally feel that a sword without a koshirae is like a symphony of sheet music with no musicians to perform it. A fully mounted sword is a wonderful thing to behold and is the concerted effort of numerous master artisans. I believe the whole composition is what makes Japanese Swords the finest swords in the world. Without the koshirae something is missing.