On the back of your card

Match the last three digits: 631.

What it is
Stars of MLB Chrome insert (#1-30, retail)
Confirmed by
One source (tcdb.com)

Chrome Stars Of Mlb (30 cards)

#PlayerTeam
SMLBC-1Nolan ArenadoSt. Louis Cardinals
SMLBC-2Mike TroutAngels
SMLBC-3Ronald Acuña Jr.Atlanta Braves
SMLBC-4Rafael DeversBoston Red Sox
SMLBC-5Javier BáezDetroit Tigers
SMLBC-6Luis RobertChicago White Sox
SMLBC-7José RamírezCleveland Guardians
SMLBC-8Alex BregmanHouston Astros
SMLBC-9Mookie BettsLos Angeles Dodgers
SMLBC-10Jazz Chisholm Jr.Miami Marlins
SMLBC-11Christian YelichMilwaukee Brewers
SMLBC-12Byron BuxtonMinnesota Twins
SMLBC-13Aaron JudgeNew York Yankees
SMLBC-14Bryce HarperPhiladelphia Phillies
SMLBC-15Fernando Tatis Jr.San Diego Padres
SMLBC-16Julio RodriguezSeattle Mariners
SMLBC-17Bobby Witt Jr.Kansas City Royals
SMLBC-18Wander FrancoTampa Bay Rays
SMLBC-19Vladimir Guerrero Jr.Toronto Blue Jays
SMLBC-20Juan SotoSan Diego Padres
SMLBC-21Shohei OhtaniAngels
SMLBC-22Adley Rutschman RCBaltimore Orioles
SMLBC-23Nolan Gorman RCSt. Louis Cardinals
SMLBC-24Pete AlonsoNew York Mets
SMLBC-25Bo BichetteToronto Blue Jays
SMLBC-26Riley Greene RCDetroit Tigers
SMLBC-27Freddie FreemanLos Angeles Dodgers
SMLBC-28Francisco LindorNew York Mets
SMLBC-29Ozzie AlbiesAtlanta Braves
SMLBC-30Gerrit ColeNew York Yankees

Search eBay for 2023 Topps Series 1 Stars of MLB Chrome insert

Where this code comes from
  • tcdb.com: “Stars of MLB Chrome: #1-30 inserted 1:10 Series One Retail packs and 1:5 Series One Hanger boxes and have production code #CMP058631 printed on the lower back. #31-60 inserted 1:10 Series Two Retail packs and 1:6 Series Two Retail Rack packs and Hanger boxes and have production code #CMP062989 printed on the lower back.”

Other codes in 2023 Topps Series 1