1878 Valley Forge Centennial Medal. Bronze. 41 mm. Musante GW-959, Baker-449A, HK-137. MS-65 (PCGS).Smooth and satiny mahogany-copper surfaces make a lovely impression in all regards. Smartly impressed and expertly preserved, this is a lovely survivor from a mintage of 447 bronze strikings delivered between 1878 and 1904.From the Ralph A. Edson Collection.