Medal, copy of the Elliott Cresson Medal of the Franklin Institute [of Philadelphia USA] awarded [in 1910] to Joseph John Thomson, [nd]. Metal, gilt finish?; 35mm diameter, 2mm ht. obverse: Elliott Cresson Medal founded 1818; relief profile Head to R [of Cresson]. reverse: Awarded by the Franklin Institute of the State of Pennsylvania. exergue legend: to Joseph John Thomson for Distinguished leading and directive work in the advancement of our knowledge of the Physical Sciences 1910