Slabnomics – Details, episodes & analysis

sourcing at the nucleus, grading for ROI, and dodging fakes.

I unpack the full playbook from my Barcelona trip to find Messi rookies: why Campió (Catalan) issues matter vs Campeón (Spanish), the true 71 Bis story (third-edition BIS replacement → lower print + set-builder demand), and how Europe’s historic grading friction (pre-PSA EU) created today’s raw opportunity. I walk through Facebook ad targeting (40–55 men), peñas/outreach, euro/Bizum constraints, Spain-specific negotiation dynamics, and a fake-spotting checklist (stock, color, honeycomb, album lines). Final haul: 30 Messi rookies; 21 submitted to PSA with conservative grade bands and clear ROI math. Four raws sold in 24 hours—why liquidity + velocity matter more than perfection.

What you’ll learn

• Messi rookie taxonomy: Campió vs Campeón, Mundicromo, Mega Cracks 71 Bis
• Why 71 Bis commands a premium (edition logic + set behavior)
• Field-tested fake detection & condition cheats (71 Bis vertical lines, Mundicromo centering, Barca edge flaking)
• PSA EU tailwinds & raw-to-graded arbitrage math
• Facebook customer-gen for vintage holders (copy, images, ranges)
• Negotiating in Spain: firm anchoring, when to walk, bulk structuring
• Cash, euros & Bizum realities for high-ticket deals
• Results: what I bought, what I passed on, expected grades, grading cost stack, quick flips

Timestamps
00:00 Thesis & timing
06:05 Rookie map (Campió/Campeón/Mundicromo/71 Bis)
13:10 Grading friction → opportunity
16:20 Lead gen (FB ads, peñas, kiosks, radio)
22:28 Payments, euros, Bizum limits
29:40 Negotiations that work in Spain
34:18 Fake-spotting checklist
43:15 Purchase breakdown & PSA plan
49:30 Fast flips, velocity, and next steps

Links / Mentions
– Shoutouts: Albert Pastor, Sebas (@gradingclub), Hooked on Soccer Cards, Sacc Cards
– Follow: @slabnomics • eBay: The_Canary_Cards

 Messi rookie, Mega Cracks 71 Bis, Campió, Campeón, Mundicromo, PSA grading, soccer cards, Barcelona, sports card investing, raw to graded, card flipping, population counts, fake detection, Facebook ads, World Cup 2026.

Hashtags
#Messi #SoccerCards #MegaCracks #PSA #CardInvesting #Barcelona #Slabnomics

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Welcome to Slabnomics, where we help sports card enthusiasts make better financial decisions about sports cards.

In this episode, host Matthew Worley sits down with Anthony from @Sacccards to talk about the soccer card market - Why this world cup is different from the last one held in America in 1994, what changes he sees as a coach and consultant for youth soccer, and how that meshes with his love of soccer card collecting.

They dive into:

• The pulse of the 2025 sports-card market
• Current misconceptions
• How this may be a black swan moment for the soccer card industry
• How far can USA go?
• A suprising prediction for the winner.

🎧 Listen wherever you get your podcasts:
 Spotify | Apple Podcasts | YouTube | Buzzsprout

💬 Join the discussion:
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Guest → @sacccards

#SportsCards #CardInvesting #Slabnomics #Sacccards #PSA #CardShows #SportsCardMarket #Collecting #Investing #HobbyTalk #TradingCards #SportsCardPodcast

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Ft. Dave Schwartz (@Iowa_dave_sportscards), Host of the Shallow End Podcast.

🎙️ Slabnomics helps sports card enthusiasts make smarter financial decisions. In this episode with Iowa Dave, we explore how compounding knowledge builds like compounding money, why failures are tuition, and how to stick to an investment thesis so you don’t miss the next Shohei Ohtani, but maybe more potently so you don't lose joy in what you do.

 Keywords: sports card investing, sports card financial lessons, card collector investing tips, compounding secrets sports cards, compound interest explained 

 #CompoundingSecrets #CardCollector #SportsCardInvesting #Slabnomics #SportsCards #CollectingTips #SportsCardPodcast #FinancialDecisions 

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Don't forget to like and subscribe, it helps the channel tons! 🐤

In this episode of Slabnomics, host Matthew Worley sits down with Cajun Cardboard (Bryan Denison) to talk about his incredible journey through the sports card hobby. From flipping raw Giannis Antetokounmpo Prizm rookies and Luka Dončić cards to building one of the most respected collections of Michael Jordan inserts, Bryan shares hard-earned lessons on consistency, strategy, and long-term collecting.

We dive into:

*Why consistency in content has fueled Cajun Cardboard’s YouTube growth 

*Market cycles, liquidity windows, and how new money from breakers and repacks is reshaping the hobby.

*Why only “one-name players” (Luka, Tatum, Cade, Messi, Ronaldo) truly sustain card value.

*Card Scouting for the best player on their team only

*Matt's Soccer Mount Rushmore that will enrage 3.5 Billion people

Whether you’re a collector, investor, or soccer card speculator, this conversation offers both caution and opportunity. Learn why Michael Jordan inserts remain bulletproof, why Messi’s 2014 Prizm Gold PSA 10 may be the “Mickey Mantle of soccer,” and how to think about timing, liquidity, and legacy in today’s market.

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-Ryan Sever, Author of Cardboard Profit is on to talk about investment opportunites and strategies in sports cards.

-Time>Money spectrum

-Fast nickels

-Anchor biases and falling knives

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 Slabnomics: The intersection of collecting investment and market theory for sports cards.

 -Market Inefficiencies & Conviction 

- Cross-Market Comparisons 

How do we use Tom Brady's sports card market to evaluate Messi's for cards with old comps?

- Liquidity, Scarcity, and Pricing Power 

- Valuation Convergence & Mispricing 

- Using Outcomes and Catalysts.

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What does it take to build a business in the sports card world? Hear Mark's story on one of the most daunting undertakings in any industry: building a marketplace. 

Mark recounts the journey of MyCardPost, what it took to start, build, and scale a Fee-free app with 14k members and over $3.4M in deals done.

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Practical Buying/Selling tips from the National and SoCoExpo.

These will help you be better on both sides of the table.

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Talking about The National, The Soco Expo, Making your own luck through preparedness, and market trends and evolutions. 

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Welcoming on Chris Mcgill (@Chris_HOJ) to talk OG sports card podcasting in 2018 with House of Jordans, the origin story of Card Ladder, how to become a podcasting data analyst music producer CEO.

We discuss the team at Card Ladder, Underused Tools, Market Dynamics and philosophies, and a peak behind the podcasting curtain.

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