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It's not the GB Buckingham & Sons that I saw marketed as a practice razor then...
That being the case, it's not a bad idea to start with something new.
Good luck!

If they come from a website marketing them as "practice razors" for honing - do a search on the brand name.
If it's what I'm thinking of - it's a blade that's on our "do not buy" list...
Why would...