On the back of your card

Match the last three digits: 370.

What it is
2025 Greatest Hits insert
Confirmed by
Two independent sources

2025 Greatest Hits (28 cards)

#PlayerTeam
GH-1Pete Crow-ArmstrongChicago Cubs
GH-2Aaron JudgeNew York Yankees
GH-3Ceddanne RafaelaBoston Red Sox
GH-4James WoodWashington Nationals
GH-5Christian YelichMilwaukee Brewers
GH-6Jasson DomínguezNew York Yankees
GH-7Freddie FreemanLos Angeles Dodgers
GH-8Cal RaleighSeattle Mariners
GH-9Matt ChapmanSan Francisco Giants
GH-10Bryce HarperPhiladelphia Phillies
GH-11Andrew McCutchenPittsburgh Pirates
GH-12Byron BuxtonMinnesota Twins
GH-13Manny MachadoSan Diego Padres
GH-14Mike TroutAngels
GH-15Cody BellingerNew York Yankees
GH-16Kyle SchwarberPhiladelphia Phillies
GH-17Shohei OhtaniLos Angeles Dodgers
GH-18Bobby Witt Jr.Kansas City Royals
GH-19Ronald Acuña Jr.Atlanta Braves
GH-20Jackson ChourioMilwaukee Brewers
GH-21Patrick BaileySan Francisco Giants
GH-22Marcus SemienTexas Rangers
GH-23Nick KurtzAthletics
GH-24Max MuncyLos Angeles Dodgers
GH-25Jac Caglianone RCKansas City Royals
GH-26Roman Anthony RCBoston Red Sox
GH-27Michael BuschChicago Cubs
GH-28Pete AlonsoNew York Mets

Search eBay for 2026 Topps Series 1 2025 Greatest Hits insert

Where this code comes from

Code read from card-back photos on six eBay listings (2026-10-04), base and foil parallels.

  • ebay.com: “2026 Topps Aaron Judge GREATEST HITS PINK FOIL #GH-2 NY Yankees CMP 123370 SP”
  • ebay.com: “Listing title: "2026 Topps Series 1 - 2025 Greatest Hits Jasson Dominguez #GH-6 YANKEES CGC 10". Card-back photo text: "CODE#CMP123370"”
  • ebay.com: “Listing title: "2026 Topps Series 1 - Greatest Hits - Cal Raleigh #GH-8 - Green Foil /99". Card-back photo text: "CODE#CMP123370"”

Other codes in 2026 Topps Series 1