Identifying Trademarks Black Hills Gold Jewelry Manufacturers
It is required by law that all Black Hills Gold received a stamp of the Manufacture on every piece of Black Hills Gold.
This stamp is very small, use a magnifying glass to best see the stamp. The stamps are usually located inside a ring on it's band, on a pendant's back or earring's back.
Landstrom's
Company Contact Information:
2707 Mt Rushmore Rd, Rapid City, SD 57701
1-800-343-0157
F.L. Thorpe was sold to Landstrom's In 1969
Mt. Rushmore Jewelry
Company Contact Information:
2707 Mt Rushmore Rd, Rapid City, SD 57701
1-800-343-0157
Gold Diggers
Company Contact Information:
3447 Sturgis Rd Rapid City, SD
Formally Coleman now Black Hills Gold by TRJ
Company Contact Information:
2707 Mt Rushmore Rd, Rapid City, SD 57701
1-800-343-0157
Stamper
Company Contact Information:
3447 Sturgis Rd Rapid City, SD
