• The Safe & Easy Way to Buy & Sell Collectibles

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

Port: 2016-2016
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Ends: 3d 20h 55m
stm24
Port: 1971-2016 Football
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Ends: 3d 16h 3m
$4,999.99 mfactor35
Port: 1984-2012
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Ends: 6d 14h 13m
wig10k
Port: 2015-2015
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Ends: 0d 13h 5m
$300.00 ComcUltimateHockey
Port: 1951-2016
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Ends: 4d 22h 20m
$3,333.00 DogBreath

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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1957 Topps - [Base] #138

Minnie Minoso [Good to VG‑EX]

$6.55
2014 Topps Stadium Club - [Base] #140

Mookie Betts

$13.00
1970 Topps - [Base] #595

Maury Wills [Good to VG‑EX]

$12.25
1953 Bowman Color - [Base] #20

Don Lenhardt [Good to VG‑EX]

$9.25
1996 Leaf Preferred - Steel - Gold #6

Barry Bonds

$32.25
2016 Panini Classics - [Base] - Short Prints #268

Carson Wentz

$16.25
2016 Score - Rookie Helmets #6

Devontae Booker

$3.03
1991 Topps Stadium Club - [Base] #94

Brett Favre [BGS 9]

$57.00
1994 Topps Stadium Club - [Base] - 1st Day Issue #604

Brett Favre

$17.75
2015 Panini National Treasures - Rookie Material Signatures RPS #RMSR-PD

Phillip Dorsett /99

$8.25
2016-17 Upper Deck - UD Canvas #C236

Young Guns - Thatcher Demko

$9.25
2016-17 Upper Deck - [Base] #201

Young Guns - Auston Matthews

$210.00
2005-06 SP Authentic - [Base] #150

Peter Budaj /999

$14.99
2016-17 Upper Deck - [Base] #249

Young Guns - William Nylander [BGS 9.5]

$61.00
2001-02 SP Authentic - Notable Numbers #NN-SY

Steve Yzerman /1614

$9.20
1996-97 EX2000 - [Base] #30

Kobe Bryant

$31.05
2015-16 Panini NBA Hoops - Team Leaders - Artist Proof Holo #1

Andrew Wiggins /99

$4.74
2013-14 Panini Titanium - Draft Day Autographs #20

Steven Adams

$10.00
1998-99 Topps Stadium Club - Triumvirate - Luminous #T2a

Kobe Bryant

$17.99
2015-16 Panini Prestige - NBA Materials #NBM-LB

Larry Bird

$12.00

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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.