We have an important update to share with users of the COMC Mailbox service. As part of a long-term effort to improve how quickly and efficiently cards move through COMC, the destination address for COMC Mailbox submissions has changed. Cards that were previously sent to our Redmond, WA location should now be sent to our Algona, WA facility. The …
February Marquee Auction Event
Announcing a very special selling opportunity with eBay: The 2026 February Marquee Auction Event will run from February 12th through February 22nd! COMC is proud to announce we are joining forces with eBay’s latest auction event to get your high-value cards in front of serious buyers! The 2026 February Marquee Auction Event will hit eBay …
January Marquee Auction Event
Announcing a very special selling opportunity with eBay: The 2026 January Marquee Auction Event will run from January 15th through January 25th! COMC is proud to announce we are joining forces with eBay’s latest auction event to get your high-value cards in front of serious buyers! The 2026 January Marquee Auction Event will hit eBay …
COMC & TAG: A new chapter in card grading
COMC is thrilled to announce a new partnership with TAG (Technical Authentication & Grading), bringing TAG’s cutting-edge, technology-driven grading solutions directly to the COMC platform. With millions of raw cards already available on COMC, this integration will expand your grading options and introduce a modern, data-rich way to grade, combining COMC’s marketplace convenience with TAG’s …
Gem Mint Nights: THE Live Showcase for Top-Tier Cards
Special Holiday Promotion: Comp Guarantee For the holiday season, every card submitted to Gem Mint Nights on COMC’s eBay Live comes with a Comp Guarantee. Before each show, we’ll determine a fair market value using recent eBay and COMC sales. If your card sells below that value, we’ll cover the difference in COMC Store Credit. …
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December Marquee Auction Event
Announcing a very special selling opportunity with eBay: The 2025 December Marquee Auction Event will run from December 22nd through January 1st! COMC is proud to announce we are joining forces with eBay’s latest auction event to get your high-value cards in front of serious buyers! The 2025 December Marquee Auction Event will hit eBay …
Black Friday Week & Cyber Monday Competitions
Black Friday Week is almost here! This year, we’re going BIG. Whether you’re buying or selling, you’ll have multiple chances to score huge Store Credit bonuses from Nov. 24 through Dec. 1. This is one of the most rewarding weeks in COMC history… and you don’t want to miss your shot. Top Seller & Buyer …
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Black Friday Week + Cyber Monday: COMC is Dropping Two Monster Promotions!
And for the first time EVER, you can unlock full access to COMC’s complete historical sales data. Yes, really. The biggest, wildest week in the hobby is almost here! This year, COMC is bringing the heat for Black Friday Week & Cyber Monday with two huge promos you won’t want to miss. #1. Unlock COMC’s …
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COMC Black Friday & Cyber Monday 2025: A Week of Seller Opportunities!
Sellers, get ready! Black Friday at COMC is expanding into a full week of deals, running Monday, November 24 through Sunday, November 30, 2025, with Cyber Monday capping it all off on December 1. It’s your biggest opportunity of the year to boost sales and reach thousands of eager buyers during the busiest week in …
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Policy Updates at COMC: Streamlining Payments and Non-Catalog Listing Processes
At COMC, we’re always working to make your collecting experience safer, smoother, and more efficient. As part of our ongoing efforts to enhance reliability and accuracy, we’re announcing two important policy updates: one affecting payment methods for COMC Store Credit purchases and another refining our due-date guarantees for non-catalog listings. 1. Ending Support for Store …
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