Authenticating Your Memorabilia with Confidence

Affordable, Reliable COA Services for Authentic Memorabilia

Expert Authentication Services

15+ years of experience in authenticating memorabilia.

Searchable database for easy resale reference.

Advanced technology ensures accurate and trustworthy COAs.

Affordable COA Options
Trustworthy Signature Library

Authenticity You Can Trust

With over 15 years of experience, we specialize in authenticating autographed items, providing affordable certificates of authenticity for collectors and enthusiasts.

Our Commitment to Quality

Utilizing advanced technology and a vast reference library, we ensure accurate COAs for memorabilia from celebrities, sports, and historical figures.

Reliable Authenticity

Trustworthy COA services for memorabilia, backed by 15+ years of expertise and advanced technology.

Expert Authentication

Utilizing AI, Magnification, ink layering, and a vast signature library to ensure accurate and reliable certificates of authenticity.

Affordable Solutions

Providing cost-effective COA options without compromising quality, making authenticity accessible for everyone. Just $30 per item and $5 per additional signature per item. Roughly a 1/3 of our competitors

Customer Reviews

See what our clients say about our authenticating services and COAs.

West Coast COA provided me with the best authentication service I've ever experienced and at 1/3 the price of Beckett.

Michael Johnson
A commemorative medal with '1945-1975' and a figure holding a banner is placed on top of official-looking documents. The background features bullets and a medal ribbon with alternating yellow and red stripes, suggesting a military theme.
A commemorative medal with '1945-1975' and a figure holding a banner is placed on top of official-looking documents. The background features bullets and a medal ribbon with alternating yellow and red stripes, suggesting a military theme.

Los Angeles

I was impressed by the thoroughness and professionalism of West Coast COA. Their knowledge is a fantastic resource for verifying signatures, they helped me get top dollar for resale value.

Two men are standing together in front of a backdrop with various logos and text. The man on the left is wearing a light gray shirt and glasses, holding an ID badge on a lanyard. The man on the right is smiling and wearing a red and black jersey, holding up a medal around his neck.
Two men are standing together in front of a backdrop with various logos and text. The man on the left is wearing a light gray shirt and glasses, holding an ID badge on a lanyard. The man on the right is smiling and wearing a red and black jersey, holding up a medal around his neck.
Sarah Thompson

San Diego

★★★★★
★★★★★
gray computer monitor

Contact Us

Reach out for authenticating your memorabilia and autographed items.

Authenticity Matters

Affordable COA services for memorabilia and collectibles.

Contact us,

DISCLAIMER:

While we pride ourselves on our thorough expertise and rigorous processes in authenticating items, it is important to note that our evaluations are ultimately professional opinions based on the information available at the time of examination. Despite our extensive experience, we cannot guarantee absolute accuracy, and thus, we cannot be held liable or responsible for any errors that may occur in our assessments. We encourage clients to consider these factors when relying on our services and to seek additional opinions or verification if needed. Your understanding of these limitations is greatly appreciated, as we strive to provide the best possible guidance within the scope of our professional capabilities.

CindyWestCoastcoa@gmail.com

1-541-513-0538

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