Here are pictures of the ”case hardening” marks. I havent’t tried sharpening these two blades yet, so i have no idea do they work or not.
Thanks for the insight Larry! I didn’t even think about that. I’m young I still struggle to hold small plane irons😂 what would be your recommendation for guide to small irons. I have the cheap version of eclipse and I have tried to modify it but I still don’t like it for small irons.