• The Safe & Easy Way to Buy & Sell Collectibles

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

Sale - 54% OFF SRP
Preview
Ends: 0d 18h 57m
Jtessier1181
Sale - 48% OFF SRP
Preview
Ends: 0d 17h 6m
LEONDAY
Sale - 66% OFF SRP
Preview
Ends: 0d 8h 5m
markeddowncards
Sale - 49% OFF SRP
Preview
Ends: 0d 11h 37m
TampaBayCards
Sale - 26% OFF SRP
Preview
Ends: 0d 11h 38m
jimmertime7

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.

Buy Cards

$3.00 Flat Rate Shipping

Buy now, ship later! Purchase over time from many sellers & ship once for $3.00!

9 Million Cards Under One Roof

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

No Stock Images

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!

Sell Cards

The Safe and Easy Way to Buy and Sell Cards Online

Or Shop Now

Shop Recently Added

2009 Donruss Elite Extra Edition Turn of the Century Signatures #33

Brandon Belt /610

$42.25
1963 Topps #173

Bombers' Best (Tom Tresh, Mickey Mantle, Bobby Richardson)

$66.95
1961 Topps #475

American League Most Valuable Player (Mickey Mantle)

$100.45
2001 Bowman Heritage #349

Miguel Cabrera

$49.95
1958 Topps #418

World Series Batting Foes (Mickey Mantle, Hank Aaron)

$175.45
2008 SP Authentic #293

Jamaal Charles /999

$99.99
2005 SPx Rookie Swatch Supremacy #RS-AR

Aaron Rodgers

$49.80
1962 Topps #1

Johnny Unitas [Good to VG‑EX]

$59.99
2010 SP Authentic #183

Aaron Hernandez /599

$16.50
1972 Topps #200

Roger Staubach [Good to VG‑EX]

$40.25
1984-85 O-Pee-Chee #67

Steve Yzerman

$87.75
1986-87 Topps #53

Patrick Roy

$74.97
1984-85 O-Pee-Chee #67

Steve Yzerman

$87.75
2009-10 Upper Deck #201

John Tavares

$64.25
1972-73 O-Pee-Chee #59

Guy Lafleur

$37.99
1996-97 Skybox Z Force Big Men on Court #7

Hakeem Olajuwon

$41.99
2008-09 Bowman Draft Picks & Stars Chrome #111

Derrick Rose

$47.25
1987-88 Fleer #59

Michael Jordan

$60.25
2008-09 Topps Chrome #181

Derrick Rose

$49.75
2010-11 Absolute Memorabila #160

Paul George /499

$100.00

Jump to Popular Players!

More Players
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.