I have a few. They are mostly of very good steel, and with some later exceptions. 9/16ths / 15mm or less. They are not stain nor corrosion resistant and will rust and pit. I had to clean about a half mm from the edges of most to get to good steel and the shipping cost was atrocious. that one cost is reasonable for a change.
A very good razor for daily use but they are nothing special. You might do as well from the Classifieds here.
~Richard