I received this blade today but have no idea of its history. Can someone knowledgeable please help. It seem to be in good shape, but want to know before I pay.
It looks about that. Most commonly I see them in 5/8 and 6/8, though they were made in many sizes. I have probably had about 50 pass through my hands, and while most are not fancy or "exciting", I have never had a dud one with quality control issues. They are one of the most reliably and consistently built vintage razors out there, and an excellent first razor to learn with.The size on the box is 1/2, I assume 4/8 then...