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This GE General Electric vintage 4JA44C semiconductor rectifier component was part of a lot of NOS radio components lot from an estate sale, however, I cannot guarantee these are not used. The outside have small ridge marks in the metal but I am not sure if it is from a tool or how they were manufactured. The 4JA44C writing is also smudge slightly in a few places. I have the original box this component came with if you would like to see additional pictures. Please just let me if you would like additional information.