That is one very nice piece of kit, congrats. If you are a true "collector" it will remain NOS and get squirreled away for posterity. Not much fun doing that though.
The kit I have is not close to NOS and the blades were chippy. For me the blades were a pita to hone the chips out on regular hones. I have only done a few because of that and am waiting for the next time I am feeling masochistic to do another one up. You are far ahead of the game with NOS blades.
Shaving with them is an experience for sure. I found them awkward and unbalanced to use compared to my Rolls Razor. Like the Rolls Razor it is like using an adze to shave with and the angle on the blade is similar to using a straight razor. Definitely a unique razor offering a unique shaving experience. Enjoy your set.
Bob