• The Safe & Easy Way to Buy & Sell Collectibles

    Buy from different sellers and get your cards in ONE shipment.

Sale - 60% OFF SRP
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Ends: 2d 20h 1m
chaddie84
Port: 1987-2017
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Ends: 5d 8h 33m
$65.00 Mackie
Port: 1970-2016 Basketba…
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Ends: 4d 7h 18m
$2,500.00 skiandi02
Sale - 81% OFF SRP
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Ends: 1d 13h 1m
PhoenixSportscards
Sale - 56% OFF SRP
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Ends: 0d 18h 1m
JoeyA1973

Find baseball cards and other sports cards on sale in Promotions & Port Sales

Ideal for Set Builders & Player Collectors

Build one order over time from multiple sellers, pay shipping once, and receive your cards in one package.

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Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once!

14 Million Cards Under One Roof

We house millions of sports cards from thousands of sellers and provide industry renowned customer service!

High resolution scans of the front & back of every card.

Easy & Fun Sports Card Flipping

Filter by team, player, set & more. Purchase, instantly relist, & flip for profit.

Buy Baseball Cards Online

We Do The Work To Sell Your Cards

Research & identify your collectibles

Evaluate condition & value

Scan the front & back of every card

Advertise to find buyers

Store & insure consigned collectibles

Resolve customer service needs

Securely package & ship to buyers

We Have Other Unique Services

Mailbox Services

Grading Services

Amazon Integration

Historical Sales Data

Sell Baseball Cards Online

A Different Way to Sell Cards

We identify, scan, list, store, insure, package, and ship - just send us your sports cards, trading cards, and collectibles. All COMC listings can be automatically posted to Amazon!

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The Safe and Easy Way to Buy and Sell Cards Online

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Shop Recently Added

2016 Topps Archives Snapshots - Topps Online Exclusive [Base] - Autographs [Autographed] #AS-OG

Oscar Gamble /300

$7.25
2016 Bowman's Best - Best of 2016 Autographs #B16-TO

Tyler O'Neill

$16.25
2015 Topps Supreme - Simply Supreme Autographs #SSA-DB

Dellin Betances

$14.25
1978 Topps - [Base] #707

Rookie Shortstops (Paul Molitor, Alan Trammell, Mickey Kluts, U.L. Washington)

$25.00
2017 Topps - 1987 Design #87-63

Andrew Benintendi

$24.25
2000 Topps Finest - Finest Moments Jumbos #3

John Elway

$9.90
1989 Score - [Base] #257

Barry Sanders

$17.99
2006 Topps Total - Rookie Jersey Collection #56TE

Reggie Bush

$4.23
1988 Kenner Starting Lineup Cards - Toys [Base] #JERI

Jerry Rice

$9.35
1977 Topps - [Base] #360

Walter Payton [Good to VG‑EX]

$12.25
2014-15 Upper Deck - UD Canvas #C235

Christian Folin

$15.25
2016-17 Upper Deck - UD Canvas #C248

Retired Stars - Mike Richter

$13.25
1984-85 O-Pee-Chee - [Base] #259

Chris Chelios

$15.25
1997-98 Donruss Elite - [Base] - Die-Cut Aspirations #9

Wayne Gretzky /750

$11.10
2006-07 Upper Deck Black Diamond - Jersey #J-DK

Duncan Keith

$8.05
2003-04 Topps Finest - [Base] #138

Kirk Hinrich /999

$9.99
2006-07 Topps Finest - [Base] #109

Joakim Noah /539

$9.05
2008-09 Fleer - First Year Phenoms #PH-4

Russell Westbrook

$18.25
2011-12 SP Authentic - North Carolina Floor Authentics #UNC-RE

J.R. Reid

$6.85
2013-14 Panini Innovation - Top-Notch Autographs #94

John Starks /325

$9.25

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COMC (Check Out My Collectibles) is a unique marketplace for buying and selling sports cards, gaming cards, comics, and more. We have a great selection of singles, memorabilia cards, autographed cards, and rookie cards. We don't use stock images; our listings include front and back scans of every card. We're also a great place to sell cards. Do you want to know more about card values? Learn about our suggested prices.