On the back of your card

Match the last three digits: 578.

What it is
Dugout Peeks (Celebration Mega Box exclusive)
Confirmed by
Two independent sources

Dugout Peeks (30 cards)

#PlayerTeam
1Aaron JudgeNew York Yankees
10Jacob Misiorowski RCMilwaukee Brewers
20Vladimir Guerrero Jr.Toronto Blue Jays
46Gunnar HendersonBaltimore Orioles
66Roki SasakiLos Angeles Dodgers
100Paul SkenesPittsburgh Pirates
123Francisco LindorNew York Mets
138Jac Caglianone RCKansas City Royals
140Cal RaleighSeattle Mariners
150Elly De La CruzCincinnati Reds
189Roman Anthony RCBoston Red Sox
196Pete Crow-ArmstrongChicago Cubs
200Shohei OhtaniLos Angeles Dodgers
205Bobby Witt Jr.Kansas City Royals
209Riley GreeneDetroit Tigers
217Seiya SuzukiChicago Cubs
219Rafael DeversSan Francisco Giants
238Austin RileyAtlanta Braves
242Juan SotoNew York Mets
250Kyle SchwarberPhiladelphia Phillies
255Byron BuxtonMinnesota Twins
257Ketel MarteArizona Diamondbacks
300Tarik SkubalDetroit Tigers
307Jeremy PeñaHouston Astros
308Jazz Chisholm Jr.New York Yankees
324Lawrence ButlerAthletics
328Junior CamineroTampa Bay Rays
333Fernando Tatis Jr.San Diego Padres
349James WoodWashington Nationals
350Mike TroutAngels

Search eBay for 2026 Topps Series 1 Dugout Peeks

Where this code comes from

Code read from card-back photos on four eBay listings (2026-10-04), including a Gold /50 parallel.

  • ebay.com: “2026 Topps Series 1 Riley Greene #209 DUGOUT PEEKS SSP Detroit Tigers CMP 123578”
  • ebay.com: “Listing title: "2026 Topps Series 1 - Dugout Peeks Variation Byron Buxton #255 Gold /50". Card-back photo text: "CODE#CMP123578"”
  • ebay.com: “Listing title: "2026 Topps Series 1 Celebration - Ketel Marte #257 Dugout Peeks". Card-back photo text: "CODE#CMP123578"”

Other codes in 2026 Topps Series 1