KM# 16.1 20 MARK
20.9000 g., 0.8000 Silver 0.5375 oz. ASW, 33 mm.
Subject:250th Anniversary – Death of Gottfried Wilhelm Leibniz
Obv:State emblem, denomination
Rev: Bust right, dates below EdgeLettering: 20 MARK DER DEUTSCHEN NOTEN BANK
Germany DDR
1966