It is decorated with groups of crowns embroidered with gold and silver threads .
Adolf Frederick 's coronation robe is made out of red and violet , purple velvet and it was bought in Paris in 1751 .
coronation robe is decorated with groups of crowns embroidered with gold and silver threads .
Adolf Frederick 's coronation robe is made out of red and violet , purple velvet and it was bought in Paris in 1751 .