Losnummer 692. EXTREMELY RARE Date Wurttemberg 20 MarkGERMANY. Wurttemberg. 20 Mark, 1913-F. NGC AU Details--Surface Hairlines.Fr-3876; KM-634. VERY RARE. Some light contact marks and wispy hairlines can be observed. Nevertheless, a very handsome example of this exceptionally RARE coin.Estimate: $15,000 - $20,000.NGC AU Details--Surface Hairlines. PCGS # 296475