Yah. I figure they are old, brittle celluloid. To far gone. Most old Henckels came with plain slick-black Bakelite or Celluloid/plastic. That's a cherry blade.
Sometimes, we fellas rescale them!
Shoot me a PM and perhaps I have something for a mate with them bolsters.
You could CA the frog back on. While not correct, the frog is cool!