Featured categories
Auctions ending soon
1965 Topps Jim Kaat Baseball MLB Card (Name Misspelled as Katt) #62 HOF EX
RM 21.000 bids6d 1h 21m
1966 Topps Terry Fox Baseball MLB #472 Card Detroit Tigers EX
RM 21.000 bids6d 1h 21m
Newly Listed
See all
1956 Topps #301 Marv Grissom
RM 20.16
1961 Topps #521 Brother Battery (Norm Sherry / Larry Sherry)
RM 20.16
1966 Topps #199 ChiSox Clubbers Bill Skowron / Johnny Romano / Floyd Robinson
RM 20.16
1963 Topps #147 World Series Game #6: Pierce Stars in 3-Hit Victory
RM 20.16
1962 Topps #212 Jim Owens
RM 20.16
1962 Topps #112b Hank Foiles Green Tint
RM 20.16
All items
1962 Topps #212 Jim Owens
RM 20.16
1961 Topps #51 Detroit Tigers Team Card
RM 20.16
1960 Topps #233 Don Elston Chicago Cubs
RM 20.16
1993 Action Packed Troy Brown Rookie Card #220 Patriots Super Bowl Champion HOF
RM 11.67
1970 Topps Baseball MLB Card Singles ** Pick Your Cards**
RM 6.66 to RM 20.16
Bobby Brownlie 2004 Bowman Chrome Rookie Auto Chicago Cubs #348
RM 12.26
1965 Topps Jim Kaat Baseball MLB Card (Name Misspelled as Katt) #62 HOF EX
RM 21.000 bids6d 1h 21m
1966 Topps Terry Fox Baseball MLB #472 Card Detroit Tigers EX
RM 21.000 bids6d 1h 21m
Jerry Blevins 2008 SPX Rookie Signatures Auto #131 Nationals Athletics Dayton RC
RM 12.69
1972 Topps Baseball MLB Card Singles ** Pick Your Cards **
RM 4.20 to RM 16.97
Mikey Romero Bowman 2023 Bowman Chrome Blue Sapphire #BCP-69 Red Sox
RM 10.40
1989 Fleer League Leaders Baseball Cards ** Pick Your Cards **Set Break**
RM 7.60 to RM 8.44
George Brett Topps 2023 Topps Allen & Ginter #SS-14 Kansas City Royals
RM 8.40
1965 Philadelphia Gum * Rookie NFL * Football Single Cards * Pick Your Card *
RM 5.30 to RM 13.41
1986 Topps Baseball MLB Card Singles ** Pick Your Cards ** #601 - #792 **
RM 4.20 to RM 9.55
LUISANGEL ACUNA 2022 Topps Heritage Down East Wood Ducks Rookie Card RC #209 SP
RM 8.44
Vintage Superman 1980 DC Comics Superman Topps Sticker Card #21
RM 11.24
Willie Stargell 2000 Topps 1973 Reprint #370 50 years
RM 10.61
1986 Topps Baseball MLB Card Singles ** Pick Your Cards ** #1 - #200 *
RM 4.20 to RM 11.67
Ke'Bryan Hayes 2023 Topps Allen & Ginter #164 Hot Box Foil Filigree Pirates NM
RM 9.38
2023 TOPPS STAR WARS Flagship Lightsaber Stylings DIE-CUT * Pick Your Cards *
RM 8.40
2023 DC Universe Chapter 3 INKS & PENCILS Physical Card Only U-PICK
RM 7.43 to RM 11.67
Nomar Garciaparra 1998 Skybox Circa Thunder #5 Boston Red Sox
RM 8.44
Luis Guerrero 2025 Topps Heritage Chrome Refractor Rookie Boston Red Sox RC #306
RM 9.25
1986 Topps Baseball MLB Card Singles ** Pick Your Cards ** #401 - #600 **
RM 4.20 to RM 9.55
Fred Mcgriff 1994 Pinnacle Naturals #13 Braves
RM 10.61
Dontrelle Willis Topps 2023 Topps Allen & Ginter #321 Florida Marlins
RM 8.40
Mark McGwire 2023 Topps Allen & Ginter #389 Hot Box Foil Oakland Athletics
RM 8.40
Michael Jordan 1990 SkyBox #41 Chicago Bulls HOF
RM 15.91
Rickey Henderson Topps 2023 Topps Allen & Ginter #SS-28 Oakland Athletics
RM 8.40
Max Patkin 1995 Action Packed #81
RM 8.40
1969 Topps Baseball MLB Card Singles ** Pick Your Cards**
RM 5.90 to RM 23.04
Yusei Kikuchi 2024 Topps Heritage Blue Sparkle Chrome #433 Toronto Blue Jays
RM 8.40
Evan Carter 2025 Topps Heritage Chrome Refractor HOLO Texas Rangers RC #496
RM 10.48
1969 Topps Football NFL Card Singles ** Pick Your Cards**
RM 8.27 to RM 71.07
Casey Schmitt Topps 2023 Topps Update #US198 Orange and Black Foil Giants
RM 9.50
2025 Topps Heritage Chrome Light Blue Sparkle #414 Albert Suarez RC Orioles NM
RM 9.46
Johnny Edwards 1972 TOPPS OPC O PEE CHEE MLB Baseball #416 Houston Astros
RM 84.82
Eddie Murray 1988 Starting Lineup Card Baltimore Orioles
RM 11.67
Samad Taylor 2022 Bowman Chrome #BCP-92 1st Mojo Blue Jays
RM 8.40
2025 Topps Heritage - Gustavo Campero #339 Blue Sparkle Angels NM
RM 9.55
1968 Topps Baseball MLB Card Singles ** Pick Your Cards**
RM 6.58 to RM 17.61
2022 Topps Heritage # 347 Wander Franco Rookie RC Tampa Bay Rays Baseball
RM 8.44
Baltimore Orioles Official THE BIRD Mascot 4x6 Picture Card NM
RM 21.17
Paul Molitor 1981 Topps A.L. All-Star #300 Milwaukee Brewers NM
RM 8.44
2022 Topps Chrome #NC-7 Wander Franco New Classics Rookie RC Rays
RM 9.25
Joey Bart 2025 Topps Heritage Chrome Refractor Holo SP Pittsburgh Pirates SP NM
RM 9.29
2022 Topps Chrome Wander Franco #35 BASEBALL CARD Rookie Tampa Bay Rays RC
RM 9.25
About us
At R-Squared Rare Cards and Treasures, we’re proud veterans with a massive collection of rare cards and collectibles, driven by our passion for preserving history and sharing epic finds. With our motto, "Where R² = Rare²," we uncover treasures that spark joy for collectors everywhere. As a veteran-owned business, we’re committed to supporting our fellow vets in need —because giving back is our true mission!
Seller feedback (226)
- _***i (701)- Feedback left by buyer.Past monthVerified purchaseNice card. Thank you
- _***i (701)- Feedback left by buyer.Past monthVerified purchaseNice card. Thank you
- _***i (701)- Feedback left by buyer.Past monthVerified purchaseNice card. Thank you
- *****- Feedback left by buyer.Past monthVerified purchaseSmooth transaction! Hope to deal with again! Thanks!
- 6***6 (1593)- Feedback left by buyer.Past monthVerified purchaseVERY FAST SHIPMENT A++++
- p***r (2529)- Feedback left by buyer.Past monthVerified purchaseGREAT CARD PLUS FAST SHIPPING. A++++++++++++++++++