A Bezoar stone engraved silver mounts 17th./18th C. later silver mounts, possibly from the 20th C. (1st half), without marks, pursuant Decreto-Lei No. 120-2017, of 15 September – art. 2nd, paragraph 2, letter c) Dimensões (altura x comprimento x largura) - (diam.) 7,8 cm Notes: it is a bezoar stone from South America, fibrous and not lithic, lighter than the oriental ones.