PROTO 4708T USA MADE SOCKET 1/4" DRIVE 1/4" 12 POINT slight visible wear, could be some exterior blemishes as in scratches, may be engraving or/and little rust inside. These tools were purchased at a gov. sale
FYI -- GRIND MARKS OR ENGRAVING come about when the gov. issues a tool, it is engraved with some numbers by the person it is issued to. Usually before the tool is sold by the government the numbers are ground off, making grind marks.