1978 Music and Dance. Silver. 73 mm. 233.2 grams. 999 fine. By Robert Cook. Alexander-SOM 97. Edge G, var. Mint State.Handsome antique silver surfaces are Choice in quality apart from a few areas of variegated color on the reverse. From a limited issue of 700 examples, as noted on the edge. The original box is included.From the Collection of Samuel Morse Felton, 1926-2015.