Franz Niklaus KÖNIG (1765-1832) 'Rudolf von Erlach feuert die Berner zum Streit an' and 'Arnold von Winkelried opfert sich für sein Vaterland' 2 coloured etchings, dated in pencil 1810 and 1811 15.5 x 12.5 cm and 16 x 13 cm, frame: 31 x 26 cm each

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