This is a commemorative medallion featuring Robert E. Lee
What it is
    •    Not a circulating coin and not legal tender
    •    A brass/bronze souvenir or commemorative medal
    •    Dates shown (January 19, 1807 – October 12, 1870) are Robert E. Lee’s birth and death

Likely origin
    •    Produced in the mid-20th century (c. 1950s–1970s)
    •    Commonly sold in the US as:
    •    Civil War heritage souvenirs
    •    Museum or battlefield gift-shop items
    •    Centennial-era commemoratives

Material
    •    Typically brass or bronze (not gold)
    •    Weight and patina match mass-produced medallions rather than precious-metal issues