What is the Slabline Score?

The Slabline Score is a credit-style 0–1000 protection score for a graded trading-card collection, blended from five weighted factors: Insurance (35%), Concentration (25%), Storage (20%), Liquidity (10%), and Provenance (10%). Higher is better; bands run A (≥880) to F (<400).

How does Slabline value my graded cards?

Each card is valued from recent comparable sales for the exact graded card (by certification number and grade), aggregated across eBay, Heritage, Goldin, and PWCC. More comps yield a tighter, higher-confidence value.

Does Slabline sell insurance?

No. Slabline is software that produces broker-ready insurance schedules and risk reports. It is not an insurer, broker, or appraiser and does not provide insurance, financial, or legal advice.

Which cards and categories does Slabline support?

Graded slabs from PSA, BGS, SGC, and CGC across baseball, basketball, football, soccer, Formula 1 / racing, hockey, Pokémon, and Magic.

How much does Slabline cost?

There is a free Ledger tier for up to 25 cards. Collector is $99/year (or $9.99/month) and removes the card limit for an unlimited collection. Insured is $149/year (or $14.99/month) and adds broker-ready insurance schedules and a weekly intelligence brief. A Vaulted tier adds connected Hobby Smart Case hardware.

What is the Hobby Smart Case?

A connected travel case (Travel 40, 75, and Pro) with per-slot temperature, humidity, light, and tamper monitoring, plus GPS location and a chain-of-custody log — turning storage risk into live, sensor-verified data. Launching Q2 2027.

Slabline^™All cards →

Basketball · Set

Bowman Chrome card values

Q: How does Slabline value my graded cards?

Each card is valued from recent comparable sales for the exact graded card (by certification number and grade), aggregated across eBay, Heritage, Goldin, and PWCC. More comps yield a tighter, higher-confidence value.

Q: Does Slabline sell insurance?

No. Slabline is software that produces broker-ready insurance schedules and risk reports. It is not an insurer, broker, or appraiser and does not provide insurance, financial, or legal advice.

Q: Which cards and categories does Slabline support?

Graded slabs from PSA, BGS, SGC, and CGC across baseball, basketball, football, soccer, Formula 1 / racing, hockey, Pokémon, and Magic.

Q: How much does Slabline cost?

There is a free Ledger tier for up to 25 cards. Collector is $99/year (or $9.99/month) and removes the card limit for an unlimited collection. Insured is $149/year (or $14.99/month) and adds broker-ready insurance schedules and a weekly intelligence brief. A Vaulted tier adds connected Hobby Smart Case hardware.

Q: What is the Hobby Smart Case?

A connected travel case (Travel 40, 75, and Pro) with per-slot temperature, humidity, light, and tamper monitoring, plus GPS location and a chain-of-custody log — turning storage risk into live, sensor-verified data. Launching Q2 2027.

Basketball index-1.14% this week→

The chromium arm of Topps' prospect brand, launched in 1997. A player's Bowman Chrome first autograph is widely treated as their definitive card, making the line the center of modern prospect speculation.

Current market values for graded cards from Bowman Chrome, by grade, from real comparable sales. Track your whole collection — with a 0–1000 protection score and a broker-ready insurance schedule — free.

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2003 Bowman Chrome6 cards

2003 LeBron James #123PSA 10$8,100
2003 Devin Brown #124
2003 Devin Brown #124PSA 9$80
2003 Ray Allen #53
2003 Ray Allen #53PSA 9$40
2003 Wally Szczerbiak #9
2003 Wally Szczerbiak #9PSA 9$36
2003 Darrell Armstrong #33
2003 Darrell Armstrong #33PSA 10$28
2003 Andre Miller #58
2003 Andre Miller #58PSA 9$16

2004 Bowman Chrome4 cards

2004 Kobe Bryant [X-Fractor] #8PSA 10$1,798
$2004 Kevin Garnett [Refractor] #21$
2004 Kevin Garnett [Refractor] #21PSA 10$168.5
2004 Shaquille O'Neal [X-Fractor] #34PSA 10$26
2004 Dirk Nowitzki #41PSA 10$12.5