Watch List notes:

Serbia

Serbia, Milan I, 20 Dinar 1879-A
Serbia, Milan Obrenović IV, 20 dinarów 1879-A
Serbien, Milan I., 20 Dinar 1879-A

Złoto .900, średnica 21 mm, waga 6.45 g.

Grade: XF
Literature: Friedberg 3, Krause KM# 14

More photos and full item description available on auction site here