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DSG is an experienced sports and collector card grading company formerly named BSG (Best Service Grading), and has been grading cards since 2001

Contacts

We are located in sunny California in the San Francisco Bay area.

Ship all orders to the following address:

Diamond Service Grading
PO Box 3550
Rohnert Park, CA 94927

707-755-7101

support@dsggrading.com

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