Difficult to say because of dark photos. BUT...the first, and sometimes the best test is the drop test.
Simply find a solid surface like marble, granite, ceramic, etc., found in kitchens and bathrooms or tile floors Then drop the tool from about a foot or so.
If it THUNKS. Throw it away. If it clinks like a delicate bell it's probably good.
These tools were made of very hardened steel and the hardening process gives it the clinkey, bell like sound.
Hopes this helps.
John
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