La piéce de 214 g
Autorisation:
Jiri Borovicka, Astronomical Institute of the Academy of Sciences of the Czech Republic
La piéce de 329g
Autorisation:
Jiri Borovicka, Astronomical Institute of the Academy of Sciences of the Czech Republic
La piéce de 91 g
Autorisation:
Jiri Borovicka, Astronomical Institute of the Academy of Sciences of the Czech Republic