1979 Solar Energy and Helios the Sun God. Silver. 73 mm. 256.6 grams. 999 fine. By Donald Borja. Alexander-SOM 99. Edge G. Mint State.This brilliant specimen is virtually in the Choice category, the surfaces blemish free apart from the barest trace of friction to a few isolated high points. Seven hundred silver impressions of this type were authorized, as noted in one of the edge inscriptions. The original box and card are included.From the Collection of Samuel Morse Felton, 1926-2015.
