Spectrum Group International
Encyclopedia
Spectrum Group International , formerly known as Escala, is a Fortune 500
company based in Irvine, CA, which deals in the collectibles, memorabilia, and precious metals trade. Its current CEO is Gregory N. Roberts.
Fortune 500
The Fortune 500 is an annual list compiled and published by Fortune magazine that ranks the top 500 U.S. closely held and public corporations as ranked by their gross revenue after adjustments made by Fortune to exclude the impact of excise taxes companies collect. The list includes publicly and...
company based in Irvine, CA, which deals in the collectibles, memorabilia, and precious metals trade. Its current CEO is Gregory N. Roberts.