You may want to talk to a fiscal Skilled to get a greater sense of how much silver you ought to have with your portfolio. Basically all sulfides of lead, copper, and zinc incorporate some silver. Silver-bearing ores may have quantities of silver from the trace to several thousand troy https://wissenfakt.de/maximieren-sie-ihre-gewinne-der-ultimative-leitfaden-zum-verkauf-von-silber/