old silver coins on white. averse of 3 groschen with portrait of sigismund iii vasa. king of poland

old coin silver groschen grosz sigismund iii zygmunt vasa avers coins triple money riga gdansk king poland portrait numismatic isolated white background crown triplex vintage finance grosch currency archeology coinage dynasty selective focus ancient cash treasure wealth closeup banking object history financial collection texture symbol authentic treasury aged two polish sovereign white averse vasa 16th century grand duke lithuania