There are a lot of gold sale companies with mud and slime on their faces:
https://www.physicalgold.com/quality-assurance/
There are a lot of FReeper gold bugs that have been touting that worthless crap for years.
“When the SHIF only gold will have value.”...bla bla bla
Your worthless hunk of ?gold? will have trouble finding anybody to test it, much less wanting it.
Gold jewelry is nice but it will never again be trusted to replace cash.